18538863908

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1\times {\mathrm{6521}}^1$

素因数の和:6884

約数の個数: 48

約数和(自身を含む): 33975341568

約数和(自身を除く): 15436477660

約数列:

[1, 2, 4, 31, 62, 101, 124, 202, 227, 404, 454, 908, 3131, 6262, 6521, 7037, 12524, 13042, 14074, 22927, 26084, 28148, 45854, 91708, 202151, 404302, 658621, 710737, 808604, 1317242, 1421474, 1480267, 2634484, 2842948, 2960534, 5921068, 20417251, 40834502, 45888277, 81669004, 91776554, 149506967, 183553108, 299013934, 598027868, 4634715977, 9269431954, 18538863908]

約数ペア:

[(1, 18538863908), (2, 9269431954), (4, 4634715977), (31, 598027868), (62, 299013934), (101, 183553108), (124, 149506967), (202, 91776554), (227, 81669004), (404, 45888277), (454, 40834502), (908, 20417251), (3131, 5921068), (6262, 2960534), (6521, 2842948), (7037, 2634484), (12524, 1480267), (13042, 1421474), (14074, 1317242), (22927, 808604), (26084, 710737), (28148, 658621), (45854, 404302), (91708, 202151)]