18492920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20101}}^1$

素因数の和:20135

約数の個数: 32

約数和(自身を含む): 43420320

約数和(自身を除く): 24927400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 20101, 40202, 80404, 100505, 160808, 201010, 402020, 462323, 804040, 924646, 1849292, 2311615, 3698584, 4623230, 9246460, 18492920]

約数ペア:

[(1, 18492920), (2, 9246460), (4, 4623230), (5, 3698584), (8, 2311615), (10, 1849292), (20, 924646), (23, 804040), (40, 462323), (46, 402020), (92, 201010), (115, 160808), (184, 100505), (230, 80404), (460, 40202), (920, 20101)]