18324640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6737}}^1$

素因数の和:6769

約数の個数: 48

約数和(自身を含む): 45845352

約数和(自身を除く): 27520712

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 6737, 13474, 26948, 33685, 53896, 67370, 107792, 114529, 134740, 215584, 229058, 269480, 458116, 538960, 572645, 916232, 1077920, 1145290, 1832464, 2290580, 3664928, 4581160, 9162320, 18324640]

約数ペア:

[(1, 18324640), (2, 9162320), (4, 4581160), (5, 3664928), (8, 2290580), (10, 1832464), (16, 1145290), (17, 1077920), (20, 916232), (32, 572645), (34, 538960), (40, 458116), (68, 269480), (80, 229058), (85, 215584), (136, 134740), (160, 114529), (170, 107792), (272, 67370), (340, 53896), (544, 33685), (680, 26948), (1360, 13474), (2720, 6737)]