17981574

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{857}}^1$

素因数の和:1144

約数の個数: 32

約数和(自身を含む): 38918880

約数和(自身を除く): 20937306

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 269, 538, 807, 857, 1614, 1714, 2571, 3497, 5142, 6994, 10491, 11141, 20982, 22282, 33423, 66846, 230533, 461066, 691599, 1383198, 2996929, 5993858, 8990787, 17981574]

約数ペア:

[(1, 17981574), (2, 8990787), (3, 5993858), (6, 2996929), (13, 1383198), (26, 691599), (39, 461066), (78, 230533), (269, 66846), (538, 33423), (807, 22282), (857, 20982), (1614, 11141), (1714, 10491), (2571, 6994), (3497, 5142)]