18477082

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 31792320

約数和(自身を除く): 13315238

約数列:

[1, 2, 13, 19, 26, 38, 113, 226, 247, 331, 494, 662, 1469, 2147, 2938, 4294, 4303, 6289, 8606, 12578, 27911, 37403, 55822, 74806, 81757, 163514, 486239, 710657, 972478, 1421314, 9238541, 18477082]

約数ペア:

[(1, 18477082), (2, 9238541), (13, 1421314), (19, 972478), (26, 710657), (38, 486239), (113, 163514), (226, 81757), (247, 74806), (331, 55822), (494, 37403), (662, 27911), (1469, 12578), (2147, 8606), (2938, 6289), (4294, 4303)]