18152860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{757}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 42023520

約数和(自身を除く): 23870660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 757, 1090, 1199, 1514, 2180, 2398, 3028, 3785, 4796, 5995, 7570, 8327, 11990, 15140, 16654, 23980, 33308, 41635, 82513, 83270, 165026, 166540, 330052, 412565, 825130, 907643, 1650260, 1815286, 3630572, 4538215, 9076430, 18152860]

約数ペア:

[(1, 18152860), (2, 9076430), (4, 4538215), (5, 3630572), (10, 1815286), (11, 1650260), (20, 907643), (22, 825130), (44, 412565), (55, 330052), (109, 166540), (110, 165026), (218, 83270), (220, 82513), (436, 41635), (545, 33308), (757, 23980), (1090, 16654), (1199, 15140), (1514, 11990), (2180, 8327), (2398, 7570), (3028, 5995), (3785, 4796)]