18896458

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 34986600

約数和(自身を除く): 16090142

約数列:

[1, 2, 7, 14, 29, 49, 58, 61, 98, 109, 122, 203, 218, 406, 427, 763, 854, 1421, 1526, 1769, 2842, 2989, 3161, 3538, 5341, 5978, 6322, 6649, 10682, 12383, 13298, 22127, 24766, 44254, 46543, 86681, 93086, 154889, 173362, 192821, 309778, 325801, 385642, 651602, 1349747, 2699494, 9448229, 18896458]

約数ペア:

[(1, 18896458), (2, 9448229), (7, 2699494), (14, 1349747), (29, 651602), (49, 385642), (58, 325801), (61, 309778), (98, 192821), (109, 173362), (122, 154889), (203, 93086), (218, 86681), (406, 46543), (427, 44254), (763, 24766), (854, 22127), (1421, 13298), (1526, 12383), (1769, 10682), (2842, 6649), (2989, 6322), (3161, 5978), (3538, 5341)]