19657770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{839}}^1$

素因数の和:931

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 32596950

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 71, 110, 142, 165, 213, 330, 355, 426, 710, 781, 839, 1065, 1562, 1678, 2130, 2343, 2517, 3905, 4195, 4686, 5034, 7810, 8390, 9229, 11715, 12585, 18458, 23430, 25170, 27687, 46145, 55374, 59569, 92290, 119138, 138435, 178707, 276870, 297845, 357414, 595690, 655259, 893535, 1310518, 1787070, 1965777, 3276295, 3931554, 6552590, 9828885, 19657770]

約数ペア:

[(1, 19657770), (2, 9828885), (3, 6552590), (5, 3931554), (6, 3276295), (10, 1965777), (11, 1787070), (15, 1310518), (22, 893535), (30, 655259), (33, 595690), (55, 357414), (66, 297845), (71, 276870), (110, 178707), (142, 138435), (165, 119138), (213, 92290), (330, 59569), (355, 55374), (426, 46145), (710, 27687), (781, 25170), (839, 23430), (1065, 18458), (1562, 12585), (1678, 11715), (2130, 9229), (2343, 8390), (2517, 7810), (3905, 5034), (4195, 4686)]