18818865

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10723}}^1$

素因数の和:10750

約数の個数: 32

約数和(自身を含む): 36032640

約数和(自身を除く): 17213775

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 10723, 32169, 53615, 96507, 139399, 160845, 289521, 418197, 482535, 696995, 1254591, 1447605, 2090985, 3763773, 6272955, 18818865]

約数ペア:

[(1, 18818865), (3, 6272955), (5, 3763773), (9, 2090985), (13, 1447605), (15, 1254591), (27, 696995), (39, 482535), (45, 418197), (65, 289521), (117, 160845), (135, 139399), (195, 96507), (351, 53615), (585, 32169), (1755, 10723)]