18731570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13099}}^1$

素因数の和:13130

約数の個数: 32

約数和(自身を含む): 39614400

約数和(自身を除く): 20882830

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 13099, 26198, 65495, 130990, 144089, 170287, 288178, 340574, 720445, 851435, 1440890, 1702870, 1873157, 3746314, 9365785, 18731570]

約数ペア:

[(1, 18731570), (2, 9365785), (5, 3746314), (10, 1873157), (11, 1702870), (13, 1440890), (22, 851435), (26, 720445), (55, 340574), (65, 288178), (110, 170287), (130, 144089), (143, 130990), (286, 65495), (715, 26198), (1430, 13099)]