18520502

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2$

素因数の和:102

約数の個数: 72

約数和(自身を含む): 38923248

約数和(自身を除く): 20402746

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 29, 58, 77, 91, 121, 143, 154, 182, 203, 242, 286, 319, 377, 406, 638, 754, 841, 847, 1001, 1573, 1682, 1694, 2002, 2233, 2639, 3146, 3509, 4147, 4466, 5278, 5887, 7018, 8294, 9251, 10933, 11011, 11774, 18502, 21866, 22022, 24563, 29029, 45617, 49126, 58058, 64757, 76531, 91234, 101761, 120263, 129514, 153062, 203522, 240526, 319319, 638638, 712327, 841841, 1322893, 1424654, 1683682, 2645786, 9260251, 18520502]

約数ペア:

[(1, 18520502), (2, 9260251), (7, 2645786), (11, 1683682), (13, 1424654), (14, 1322893), (22, 841841), (26, 712327), (29, 638638), (58, 319319), (77, 240526), (91, 203522), (121, 153062), (143, 129514), (154, 120263), (182, 101761), (203, 91234), (242, 76531), (286, 64757), (319, 58058), (377, 49126), (406, 45617), (638, 29029), (754, 24563), (841, 22022), (847, 21866), (1001, 18502), (1573, 11774), (1682, 11011), (1694, 10933), (2002, 9251), (2233, 8294), (2639, 7018), (3146, 5887), (3509, 5278), (4147, 4466)]