19746992895

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{9371}}^1$

素因数の和:9501

約数の個数: 96

約数和(自身を含む): 38154986496

約数和(自身を除く): 18407993601

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 49, 61, 105, 141, 147, 183, 235, 245, 305, 329, 427, 705, 735, 915, 987, 1281, 1645, 2135, 2303, 2867, 2989, 4935, 6405, 6909, 8601, 8967, 9371, 11515, 14335, 14945, 20069, 28113, 34545, 43005, 44835, 46855, 60207, 65597, 100345, 140483, 140565, 196791, 301035, 327985, 421449, 440437, 459179, 571631, 702415, 983955, 1321311, 1377537, 1714893, 2107245, 2202185, 2295895, 2858155, 3083059, 4001417, 6606555, 6887685, 8574465, 9249177, 12004251, 15415295, 20007085, 21581413, 26866657, 28009919, 46245885, 60021255, 64744239, 80599971, 84029757, 107907065, 134333285, 140049595, 188066599, 323721195, 402999855, 420148785, 564199797, 940332995, 1316466193, 2820998985, 3949398579, 6582330965, 19746992895]

約数ペア:

[(1, 19746992895), (3, 6582330965), (5, 3949398579), (7, 2820998985), (15, 1316466193), (21, 940332995), (35, 564199797), (47, 420148785), (49, 402999855), (61, 323721195), (105, 188066599), (141, 140049595), (147, 134333285), (183, 107907065), (235, 84029757), (245, 80599971), (305, 64744239), (329, 60021255), (427, 46245885), (705, 28009919), (735, 26866657), (915, 21581413), (987, 20007085), (1281, 15415295), (1645, 12004251), (2135, 9249177), (2303, 8574465), (2867, 6887685), (2989, 6606555), (4935, 4001417), (6405, 3083059), (6909, 2858155), (8601, 2295895), (8967, 2202185), (9371, 2107245), (11515, 1714893), (14335, 1377537), (14945, 1321311), (20069, 983955), (28113, 702415), (34545, 571631), (43005, 459179), (44835, 440437), (46855, 421449), (60207, 327985), (65597, 301035), (100345, 196791), (140483, 140565)]