17921710

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{2131}}^1$

素因数の和:2196

約数の個数: 24

約数和(自身を含む): 33425496

約数和(自身を除く): 15503786

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 841, 1682, 2131, 4205, 4262, 8410, 10655, 21310, 61799, 123598, 308995, 617990, 1792171, 3584342, 8960855, 17921710]

約数ペア:

[(1, 17921710), (2, 8960855), (5, 3584342), (10, 1792171), (29, 617990), (58, 308995), (145, 123598), (290, 61799), (841, 21310), (1682, 10655), (2131, 8410), (4205, 4262)]