18690854

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{863}}^1$

素因数の和:909

約数の個数: 48

約数和(自身を含む): 37231488

約数和(自身を除く): 18540634

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 49, 91, 98, 119, 182, 221, 238, 442, 637, 833, 863, 1274, 1547, 1666, 1726, 3094, 6041, 10829, 11219, 12082, 14671, 21658, 22438, 29342, 42287, 78533, 84574, 102697, 157066, 190723, 205394, 381446, 549731, 718879, 1099462, 1335061, 1437758, 2670122, 9345427, 18690854]

約数ペア:

[(1, 18690854), (2, 9345427), (7, 2670122), (13, 1437758), (14, 1335061), (17, 1099462), (26, 718879), (34, 549731), (49, 381446), (91, 205394), (98, 190723), (119, 157066), (182, 102697), (221, 84574), (238, 78533), (442, 42287), (637, 29342), (833, 22438), (863, 21658), (1274, 14671), (1547, 12082), (1666, 11219), (1726, 10829), (3094, 6041)]