19843420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{58363}}^1$

素因数の和:58389

約数の個数: 24

約数和(自身を含む): 44123184

約数和(自身を除く): 24279764

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 58363, 116726, 233452, 291815, 583630, 992171, 1167260, 1984342, 3968684, 4960855, 9921710, 19843420]

約数ペア:

[(1, 19843420), (2, 9921710), (4, 4960855), (5, 3968684), (10, 1984342), (17, 1167260), (20, 992171), (34, 583630), (68, 291815), (85, 233452), (170, 116726), (340, 58363)]