18463760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32971}}^1$

素因数の和:32991

約数の個数: 40

約数和(自身を含む): 49062336

約数和(自身を除く): 30598576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32971, 65942, 131884, 164855, 230797, 263768, 329710, 461594, 527536, 659420, 923188, 1153985, 1318840, 1846376, 2307970, 2637680, 3692752, 4615940, 9231880, 18463760]

約数ペア:

[(1, 18463760), (2, 9231880), (4, 4615940), (5, 3692752), (7, 2637680), (8, 2307970), (10, 1846376), (14, 1318840), (16, 1153985), (20, 923188), (28, 659420), (35, 527536), (40, 461594), (56, 329710), (70, 263768), (80, 230797), (112, 164855), (140, 131884), (280, 65942), (560, 32971)]