18325450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{233}}^1$

素因数の和:280

約数の個数: 72

約数和(自身を含む): 40520844

約数和(自身を除く): 22195394

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 121, 130, 143, 233, 242, 275, 286, 325, 466, 550, 605, 650, 715, 1165, 1210, 1430, 1573, 2330, 2563, 3025, 3029, 3146, 3575, 5126, 5825, 6050, 6058, 7150, 7865, 11650, 12815, 15145, 15730, 25630, 28193, 30290, 33319, 39325, 56386, 64075, 66638, 75725, 78650, 128150, 140965, 151450, 166595, 281930, 333190, 366509, 704825, 733018, 832975, 1409650, 1665950, 1832545, 3665090, 9162725, 18325450]

約数ペア:

[(1, 18325450), (2, 9162725), (5, 3665090), (10, 1832545), (11, 1665950), (13, 1409650), (22, 832975), (25, 733018), (26, 704825), (50, 366509), (55, 333190), (65, 281930), (110, 166595), (121, 151450), (130, 140965), (143, 128150), (233, 78650), (242, 75725), (275, 66638), (286, 64075), (325, 56386), (466, 39325), (550, 33319), (605, 30290), (650, 28193), (715, 25630), (1165, 15730), (1210, 15145), (1430, 12815), (1573, 11650), (2330, 7865), (2563, 7150), (3025, 6058), (3029, 6050), (3146, 5825), (3575, 5126)]