18975400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{5581}}^1$

素因数の和:5614

約数の個数: 48

約数和(自身を含む): 46721340

約数和(自身を除く): 27745940

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 5581, 11162, 22324, 27905, 44648, 55810, 94877, 111620, 139525, 189754, 223240, 279050, 379508, 474385, 558100, 759016, 948770, 1116200, 1897540, 2371925, 3795080, 4743850, 9487700, 18975400]

約数ペア:

[(1, 18975400), (2, 9487700), (4, 4743850), (5, 3795080), (8, 2371925), (10, 1897540), (17, 1116200), (20, 948770), (25, 759016), (34, 558100), (40, 474385), (50, 379508), (68, 279050), (85, 223240), (100, 189754), (136, 139525), (170, 111620), (200, 94877), (340, 55810), (425, 44648), (680, 27905), (850, 22324), (1700, 11162), (3400, 5581)]