19615672685

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{1091}}^1$

素因数の和:1434

約数の個数: 64

約数和(自身を含む): 28299608064

約数和(自身を除く): 8683935379

約数列:

[1, 5, 7, 31, 35, 73, 155, 217, 227, 365, 511, 1085, 1091, 1135, 1589, 2263, 2555, 5455, 7037, 7637, 7945, 11315, 15841, 16571, 33821, 35185, 38185, 49259, 79205, 79643, 82855, 115997, 169105, 236747, 246295, 247657, 398215, 513701, 557501, 579985, 1183735, 1238285, 1733599, 2468933, 2568505, 2787505, 3595907, 7677367, 8667995, 12344665, 17282531, 17979535, 18078961, 38386835, 53741569, 86412655, 90394805, 126552727, 268707845, 560447791, 632763635, 2802238955, 3923134537, 19615672685]

約数ペア:

[(1, 19615672685), (5, 3923134537), (7, 2802238955), (31, 632763635), (35, 560447791), (73, 268707845), (155, 126552727), (217, 90394805), (227, 86412655), (365, 53741569), (511, 38386835), (1085, 18078961), (1091, 17979535), (1135, 17282531), (1589, 12344665), (2263, 8667995), (2555, 7677367), (5455, 3595907), (7037, 2787505), (7637, 2568505), (7945, 2468933), (11315, 1733599), (15841, 1238285), (16571, 1183735), (33821, 579985), (35185, 557501), (38185, 513701), (49259, 398215), (79205, 247657), (79643, 246295), (82855, 236747), (115997, 169105)]