18982540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1801}}^1$

素因数の和:1858

約数の個数: 48

約数和(自身を含む): 43593984

約数和(自身を除く): 24611444

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 1801, 2108, 2635, 3602, 5270, 7204, 9005, 10540, 18010, 30617, 36020, 55831, 61234, 111662, 122468, 153085, 223324, 279155, 306170, 558310, 612340, 949127, 1116620, 1898254, 3796508, 4745635, 9491270, 18982540]

約数ペア:

[(1, 18982540), (2, 9491270), (4, 4745635), (5, 3796508), (10, 1898254), (17, 1116620), (20, 949127), (31, 612340), (34, 558310), (62, 306170), (68, 279155), (85, 223324), (124, 153085), (155, 122468), (170, 111662), (310, 61234), (340, 55831), (527, 36020), (620, 30617), (1054, 18010), (1801, 10540), (2108, 9005), (2635, 7204), (3602, 5270)]