18025072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4561}}^1$

素因数の和:4601

約数の個数: 40

約数和(自身を含む): 39598160

約数和(自身を除く): 21573088

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 4561, 9122, 18244, 36488, 59293, 72976, 86659, 118586, 173318, 237172, 346636, 474344, 693272, 948688, 1126567, 1386544, 2253134, 4506268, 9012536, 18025072]

約数ペア:

[(1, 18025072), (2, 9012536), (4, 4506268), (8, 2253134), (13, 1386544), (16, 1126567), (19, 948688), (26, 693272), (38, 474344), (52, 346636), (76, 237172), (104, 173318), (152, 118586), (208, 86659), (247, 72976), (304, 59293), (494, 36488), (988, 18244), (1976, 9122), (3952, 4561)]