19913010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51059}}^1$

素因数の和:51082

約数の個数: 32

約数和(自身を含む): 51468480

約数和(自身を除く): 31555470

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 51059, 102118, 153177, 255295, 306354, 510590, 663767, 765885, 1327534, 1531770, 1991301, 3318835, 3982602, 6637670, 9956505, 19913010]

約数ペア:

[(1, 19913010), (2, 9956505), (3, 6637670), (5, 3982602), (6, 3318835), (10, 1991301), (13, 1531770), (15, 1327534), (26, 765885), (30, 663767), (39, 510590), (65, 306354), (78, 255295), (130, 153177), (195, 102118), (390, 51059)]