18644210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{829}}^1$

素因数の和:1022

約数の個数: 32

約数和(自身を含む): 36393840

約数和(自身を除く): 17749630

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 173, 346, 829, 865, 1658, 1730, 2249, 4145, 4498, 8290, 10777, 11245, 21554, 22490, 53885, 107770, 143417, 286834, 717085, 1434170, 1864421, 3728842, 9322105, 18644210]

約数ペア:

[(1, 18644210), (2, 9322105), (5, 3728842), (10, 1864421), (13, 1434170), (26, 717085), (65, 286834), (130, 143417), (173, 107770), (346, 53885), (829, 22490), (865, 21554), (1658, 11245), (1730, 10777), (2249, 8290), (4145, 4498)]