18787090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1667}}^1$

素因数の和:1711

約数の個数: 48

約数和(自身を含む): 41072832

約数和(自身を除く): 22285742

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 490, 805, 1127, 1610, 1667, 2254, 3334, 5635, 8335, 11270, 11669, 16670, 23338, 38341, 58345, 76682, 81683, 116690, 163366, 191705, 268387, 383410, 408415, 536774, 816830, 1341935, 1878709, 2683870, 3757418, 9393545, 18787090]

約数ペア:

[(1, 18787090), (2, 9393545), (5, 3757418), (7, 2683870), (10, 1878709), (14, 1341935), (23, 816830), (35, 536774), (46, 408415), (49, 383410), (70, 268387), (98, 191705), (115, 163366), (161, 116690), (230, 81683), (245, 76682), (322, 58345), (490, 38341), (805, 23338), (1127, 16670), (1610, 11669), (1667, 11270), (2254, 8335), (3334, 5635)]