18780989810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4937}}^1\times {\mathrm{34583}}^1$

素因数の和:39538

約数の個数: 32

約数和(自身を含む): 36887571072

約数和(自身を除く): 18106581262

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 4937, 9874, 24685, 34583, 49370, 54307, 69166, 108614, 172915, 271535, 345830, 380413, 543070, 760826, 1902065, 3804130, 170736271, 341472542, 853681355, 1707362710, 1878098981, 3756197962, 9390494905, 18780989810]

約数ペア:

[(1, 18780989810), (2, 9390494905), (5, 3756197962), (10, 1878098981), (11, 1707362710), (22, 853681355), (55, 341472542), (110, 170736271), (4937, 3804130), (9874, 1902065), (24685, 760826), (34583, 543070), (49370, 380413), (54307, 345830), (69166, 271535), (108614, 172915)]