18518490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{641}}^1$

素因数の和:764

約数の個数: 64

約数和(自身を含む): 49921920

約数和(自身を除く): 31403430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 107, 135, 214, 270, 321, 535, 641, 642, 963, 1070, 1282, 1605, 1923, 1926, 2889, 3205, 3210, 3846, 4815, 5769, 5778, 6410, 9615, 9630, 11538, 14445, 17307, 19230, 28845, 28890, 34614, 57690, 68587, 86535, 137174, 173070, 205761, 342935, 411522, 617283, 685870, 1028805, 1234566, 1851849, 2057610, 3086415, 3703698, 6172830, 9259245, 18518490]

約数ペア:

[(1, 18518490), (2, 9259245), (3, 6172830), (5, 3703698), (6, 3086415), (9, 2057610), (10, 1851849), (15, 1234566), (18, 1028805), (27, 685870), (30, 617283), (45, 411522), (54, 342935), (90, 205761), (107, 173070), (135, 137174), (214, 86535), (270, 68587), (321, 57690), (535, 34614), (641, 28890), (642, 28845), (963, 19230), (1070, 17307), (1282, 14445), (1605, 11538), (1923, 9630), (1926, 9615), (2889, 6410), (3205, 5778), (3210, 5769), (3846, 4815)]