19410690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{701}}^1$

素因数の和:795

約数の個数: 64

約数和(自身を含む): 50948352

約数和(自身を除く): 31537662

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 71, 78, 130, 142, 195, 213, 355, 390, 426, 701, 710, 923, 1065, 1402, 1846, 2103, 2130, 2769, 3505, 4206, 4615, 5538, 7010, 9113, 9230, 10515, 13845, 18226, 21030, 27339, 27690, 45565, 49771, 54678, 91130, 99542, 136695, 149313, 248855, 273390, 298626, 497710, 647023, 746565, 1294046, 1493130, 1941069, 3235115, 3882138, 6470230, 9705345, 19410690]

約数ペア:

[(1, 19410690), (2, 9705345), (3, 6470230), (5, 3882138), (6, 3235115), (10, 1941069), (13, 1493130), (15, 1294046), (26, 746565), (30, 647023), (39, 497710), (65, 298626), (71, 273390), (78, 248855), (130, 149313), (142, 136695), (195, 99542), (213, 91130), (355, 54678), (390, 49771), (426, 45565), (701, 27690), (710, 27339), (923, 21030), (1065, 18226), (1402, 13845), (1846, 10515), (2103, 9230), (2130, 9113), (2769, 7010), (3505, 5538), (4206, 4615)]