19742164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 39563776

約数和(自身を除く): 19821612

約数列:

[1, 2, 4, 13, 26, 31, 37, 52, 62, 74, 124, 148, 331, 403, 481, 662, 806, 962, 1147, 1324, 1612, 1924, 2294, 4303, 4588, 8606, 10261, 12247, 14911, 17212, 20522, 24494, 29822, 41044, 48988, 59644, 133393, 159211, 266786, 318422, 379657, 533572, 636844, 759314, 1518628, 4935541, 9871082, 19742164]

約数ペア:

[(1, 19742164), (2, 9871082), (4, 4935541), (13, 1518628), (26, 759314), (31, 636844), (37, 533572), (52, 379657), (62, 318422), (74, 266786), (124, 159211), (148, 133393), (331, 59644), (403, 48988), (481, 41044), (662, 29822), (806, 24494), (962, 20522), (1147, 17212), (1324, 14911), (1612, 12247), (1924, 10261), (2294, 8606), (4303, 4588)]