18868005

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{827}}^1$

素因数の和:867

約数の個数: 48

約数和(自身を含む): 36365760

約数和(自身を除く): 17497755

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 169, 195, 351, 507, 585, 827, 845, 1521, 1755, 2481, 2535, 4135, 4563, 7443, 7605, 10751, 12405, 22329, 22815, 32253, 37215, 53755, 96759, 111645, 139763, 161265, 290277, 419289, 483795, 698815, 1257867, 1451385, 2096445, 3773601, 6289335, 18868005]

約数ペア:

[(1, 18868005), (3, 6289335), (5, 3773601), (9, 2096445), (13, 1451385), (15, 1257867), (27, 698815), (39, 483795), (45, 419289), (65, 290277), (117, 161265), (135, 139763), (169, 111645), (195, 96759), (351, 53755), (507, 37215), (585, 32253), (827, 22815), (845, 22329), (1521, 12405), (1755, 10751), (2481, 7605), (2535, 7443), (4135, 4563)]