19711770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{50543}}^1$

素因数の和:50566

約数の個数: 32

約数和(自身を含む): 50948352

約数和(自身を除く): 31236582

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 50543, 101086, 151629, 252715, 303258, 505430, 657059, 758145, 1314118, 1516290, 1971177, 3285295, 3942354, 6570590, 9855885, 19711770]

約数ペア:

[(1, 19711770), (2, 9855885), (3, 6570590), (5, 3942354), (6, 3285295), (10, 1971177), (13, 1516290), (15, 1314118), (26, 758145), (30, 657059), (39, 505430), (65, 303258), (78, 252715), (130, 151629), (195, 101086), (390, 50543)]