18172660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 45505152

約数和(自身を除く): 27332492

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 43, 44, 55, 68, 85, 86, 110, 113, 170, 172, 187, 215, 220, 226, 340, 374, 430, 452, 473, 565, 731, 748, 860, 935, 946, 1130, 1243, 1462, 1870, 1892, 1921, 2260, 2365, 2486, 2924, 3655, 3740, 3842, 4730, 4859, 4972, 6215, 7310, 7684, 8041, 9460, 9605, 9718, 12430, 14620, 16082, 19210, 19436, 21131, 24295, 24860, 32164, 38420, 40205, 42262, 48590, 53449, 80410, 82603, 84524, 97180, 105655, 106898, 160820, 165206, 211310, 213796, 267245, 330412, 413015, 422620, 534490, 826030, 908633, 1068980, 1652060, 1817266, 3634532, 4543165, 9086330, 18172660]

約数ペア:

[(1, 18172660), (2, 9086330), (4, 4543165), (5, 3634532), (10, 1817266), (11, 1652060), (17, 1068980), (20, 908633), (22, 826030), (34, 534490), (43, 422620), (44, 413015), (55, 330412), (68, 267245), (85, 213796), (86, 211310), (110, 165206), (113, 160820), (170, 106898), (172, 105655), (187, 97180), (215, 84524), (220, 82603), (226, 80410), (340, 53449), (374, 48590), (430, 42262), (452, 40205), (473, 38420), (565, 32164), (731, 24860), (748, 24295), (860, 21131), (935, 19436), (946, 19210), (1130, 16082), (1243, 14620), (1462, 12430), (1870, 9718), (1892, 9605), (1921, 9460), (2260, 8041), (2365, 7684), (2486, 7310), (2924, 6215), (3655, 4972), (3740, 4859), (3842, 4730)]