18399384

素因数分解:

$2^3\times 3^2\times {\mathrm{421}}^1\times {\mathrm{607}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 50032320

約数和(自身を除く): 31632936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 421, 607, 842, 1214, 1263, 1684, 1821, 2428, 2526, 3368, 3642, 3789, 4856, 5052, 5463, 7284, 7578, 10104, 10926, 14568, 15156, 21852, 30312, 43704, 255547, 511094, 766641, 1022188, 1533282, 2044376, 2299923, 3066564, 4599846, 6133128, 9199692, 18399384]

約数ペア:

[(1, 18399384), (2, 9199692), (3, 6133128), (4, 4599846), (6, 3066564), (8, 2299923), (9, 2044376), (12, 1533282), (18, 1022188), (24, 766641), (36, 511094), (72, 255547), (421, 43704), (607, 30312), (842, 21852), (1214, 15156), (1263, 14568), (1684, 10926), (1821, 10104), (2428, 7578), (2526, 7284), (3368, 5463), (3642, 5052), (3789, 4856)]