18665764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{829}}^1$

素因数の和:1279

約数の個数: 24

約数和(自身を含む): 35301560

約数和(自身を除く): 16635796

約数列:

[1, 2, 4, 13, 26, 52, 433, 829, 866, 1658, 1732, 3316, 5629, 10777, 11258, 21554, 22516, 43108, 358957, 717914, 1435828, 4666441, 9332882, 18665764]

約数ペア:

[(1, 18665764), (2, 9332882), (4, 4666441), (13, 1435828), (26, 717914), (52, 358957), (433, 43108), (829, 22516), (866, 21554), (1658, 11258), (1732, 10777), (3316, 5629)]