19764504

素因数分解:

$2^3\times 3^2\times {\mathrm{277}}^1\times {\mathrm{991}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 53776320

約数和(自身を除く): 34011816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 277, 554, 831, 991, 1108, 1662, 1982, 2216, 2493, 2973, 3324, 3964, 4986, 5946, 6648, 7928, 8919, 9972, 11892, 17838, 19944, 23784, 35676, 71352, 274507, 549014, 823521, 1098028, 1647042, 2196056, 2470563, 3294084, 4941126, 6588168, 9882252, 19764504]

約数ペア:

[(1, 19764504), (2, 9882252), (3, 6588168), (4, 4941126), (6, 3294084), (8, 2470563), (9, 2196056), (12, 1647042), (18, 1098028), (24, 823521), (36, 549014), (72, 274507), (277, 71352), (554, 35676), (831, 23784), (991, 19944), (1108, 17838), (1662, 11892), (1982, 9972), (2216, 8919), (2493, 7928), (2973, 6648), (3324, 5946), (3964, 4986)]