18981632

素因数分解:

$2^8\times {\mathrm{53}}^1\times {\mathrm{1399}}^1$

素因数の和:1468

約数の個数: 36

約数和(自身を含む): 38631600

約数和(自身を除く): 19649968

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 256, 424, 848, 1399, 1696, 2798, 3392, 5596, 6784, 11192, 13568, 22384, 44768, 74147, 89536, 148294, 179072, 296588, 358144, 593176, 1186352, 2372704, 4745408, 9490816, 18981632]

約数ペア:

[(1, 18981632), (2, 9490816), (4, 4745408), (8, 2372704), (16, 1186352), (32, 593176), (53, 358144), (64, 296588), (106, 179072), (128, 148294), (212, 89536), (256, 74147), (424, 44768), (848, 22384), (1399, 13568), (1696, 11192), (2798, 6784), (3392, 5596)]