18484640

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5023}}^1$

素因数の和:5061

約数の個数: 48

約数和(自身を含む): 45577728

約数和(自身を除く): 27093088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 5023, 10046, 20092, 25115, 40184, 50230, 80368, 100460, 115529, 160736, 200920, 231058, 401840, 462116, 577645, 803680, 924232, 1155290, 1848464, 2310580, 3696928, 4621160, 9242320, 18484640]

約数ペア:

[(1, 18484640), (2, 9242320), (4, 4621160), (5, 3696928), (8, 2310580), (10, 1848464), (16, 1155290), (20, 924232), (23, 803680), (32, 577645), (40, 462116), (46, 401840), (80, 231058), (92, 200920), (115, 160736), (160, 115529), (184, 100460), (230, 80368), (368, 50230), (460, 40184), (736, 25115), (920, 20092), (1840, 10046), (3680, 5023)]