18966968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1567}}^1$

素因数の和:1679

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 19135432

約数列:

[1, 2, 4, 8, 17, 34, 68, 89, 136, 178, 356, 712, 1513, 1567, 3026, 3134, 6052, 6268, 12104, 12536, 26639, 53278, 106556, 139463, 213112, 278926, 557852, 1115704, 2370871, 4741742, 9483484, 18966968]

約数ペア:

[(1, 18966968), (2, 9483484), (4, 4741742), (8, 2370871), (17, 1115704), (34, 557852), (68, 278926), (89, 213112), (136, 139463), (178, 106556), (356, 53278), (712, 26639), (1513, 12536), (1567, 12104), (3026, 6268), (3134, 6052)]