18987404152

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{2861}}^1\times {\mathrm{10501}}^1$

素因数の和:13447

約数の個数: 32

約数和(自身を含む): 36068068800

約数和(自身を除く): 17080664648

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 2861, 5722, 10501, 11444, 21002, 22888, 42004, 84008, 226019, 452038, 829579, 904076, 1659158, 1808152, 3318316, 6636632, 30043361, 60086722, 120173444, 240346888, 2373425519, 4746851038, 9493702076, 18987404152]

約数ペア:

[(1, 18987404152), (2, 9493702076), (4, 4746851038), (8, 2373425519), (79, 240346888), (158, 120173444), (316, 60086722), (632, 30043361), (2861, 6636632), (5722, 3318316), (10501, 1808152), (11444, 1659158), (21002, 904076), (22888, 829579), (42004, 452038), (84008, 226019)]