18918767874195

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1423}}^1\times {\mathrm{262151}}^1$

素因数の和:263622

約数の個数: 144

約数和(自身を含む): 39833077819392

約数和(自身を除く): 20914309945197

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 49, 63, 69, 105, 115, 147, 161, 207, 245, 315, 345, 441, 483, 735, 805, 1035, 1127, 1423, 1449, 2205, 2415, 3381, 4269, 5635, 7115, 7245, 9961, 10143, 12807, 16905, 21345, 29883, 32729, 49805, 50715, 64035, 69727, 89649, 98187, 149415, 163645, 209181, 229103, 262151, 294561, 348635, 448245, 490935, 627543, 687309, 786453, 1045905, 1145515, 1310755, 1472805, 1603721, 1835057, 2061927, 2359359, 3137715, 3436545, 3932265, 4811163, 5505171, 6029473, 8018605, 9175285, 10309635, 11796795, 12845399, 14433489, 16515513, 18088419, 24055815, 27525855, 30147365, 38536197, 42206311, 54265257, 64226995, 72167445, 82577565, 90442095, 115608591, 126618933, 192680985, 211031555, 271326285, 295444177, 373040873, 379856799, 578042955, 633094665, 886332531, 1119122619, 1477220885, 1865204365, 1899283995, 2611286111, 2658997593, 3357367857, 4431662655, 5595613095, 7833858333, 8579940079, 13056430555, 13294987965, 16786839285, 18279002777, 23501574999, 25739820237, 39169291665, 42899700395, 54837008331, 60059580553, 77219460711, 91395013885, 117507874995, 128699101185, 164511024993, 180178741659, 274185041655, 300297902765, 386097303555, 420417063871, 540536224977, 822555124965, 900893708295, 1261251191613, 2102085319355, 2702681124885, 3783753574839, 6306255958065, 18918767874195]

約数ペア:

[(1, 18918767874195), (3, 6306255958065), (5, 3783753574839), (7, 2702681124885), (9, 2102085319355), (15, 1261251191613), (21, 900893708295), (23, 822555124965), (35, 540536224977), (45, 420417063871), (49, 386097303555), (63, 300297902765), (69, 274185041655), (105, 180178741659), (115, 164511024993), (147, 128699101185), (161, 117507874995), (207, 91395013885), (245, 77219460711), (315, 60059580553), (345, 54837008331), (441, 42899700395), (483, 39169291665), (735, 25739820237), (805, 23501574999), (1035, 18279002777), (1127, 16786839285), (1423, 13294987965), (1449, 13056430555), (2205, 8579940079), (2415, 7833858333), (3381, 5595613095), (4269, 4431662655), (5635, 3357367857), (7115, 2658997593), (7245, 2611286111), (9961, 1899283995), (10143, 1865204365), (12807, 1477220885), (16905, 1119122619), (21345, 886332531), (29883, 633094665), (32729, 578042955), (49805, 379856799), (50715, 373040873), (64035, 295444177), (69727, 271326285), (89649, 211031555), (98187, 192680985), (149415, 126618933), (163645, 115608591), (209181, 90442095), (229103, 82577565), (262151, 72167445), (294561, 64226995), (348635, 54265257), (448245, 42206311), (490935, 38536197), (627543, 30147365), (687309, 27525855), (786453, 24055815), (1045905, 18088419), (1145515, 16515513), (1310755, 14433489), (1472805, 12845399), (1603721, 11796795), (1835057, 10309635), (2061927, 9175285), (2359359, 8018605), (3137715, 6029473), (3436545, 5505171), (3932265, 4811163)]