18384560

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6211}}^1$

素因数の和:6261

約数の個数: 40

約数和(自身を含む): 43906416

約数和(自身を除く): 25521856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 6211, 12422, 24844, 31055, 49688, 62110, 99376, 124220, 229807, 248440, 459614, 496880, 919228, 1149035, 1838456, 2298070, 3676912, 4596140, 9192280, 18384560]

約数ペア:

[(1, 18384560), (2, 9192280), (4, 4596140), (5, 3676912), (8, 2298070), (10, 1838456), (16, 1149035), (20, 919228), (37, 496880), (40, 459614), (74, 248440), (80, 229807), (148, 124220), (185, 99376), (296, 62110), (370, 49688), (592, 31055), (740, 24844), (1480, 12422), (2960, 6211)]