19709940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3691}}^1$

素因数の和:3792

約数の個数: 48

約数和(自身を含む): 55823040

約数和(自身を除く): 36113100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 3691, 5340, 7382, 11073, 14764, 18455, 22146, 36910, 44292, 55365, 73820, 110730, 221460, 328499, 656998, 985497, 1313996, 1642495, 1970994, 3284990, 3941988, 4927485, 6569980, 9854970, 19709940]

約数ペア:

[(1, 19709940), (2, 9854970), (3, 6569980), (4, 4927485), (5, 3941988), (6, 3284990), (10, 1970994), (12, 1642495), (15, 1313996), (20, 985497), (30, 656998), (60, 328499), (89, 221460), (178, 110730), (267, 73820), (356, 55365), (445, 44292), (534, 36910), (890, 22146), (1068, 18455), (1335, 14764), (1780, 11073), (2670, 7382), (3691, 5340)]