18801315

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3571}}^1$

素因数の和:3601

約数の個数: 40

約数和(自身を含む): 36305808

約数和(自身を除く): 17504493

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 3571, 5265, 10713, 17855, 32139, 46423, 53565, 96417, 139269, 160695, 232115, 289251, 417807, 482085, 696345, 1253421, 1446255, 2089035, 3760263, 6267105, 18801315]

約数ペア:

[(1, 18801315), (3, 6267105), (5, 3760263), (9, 2089035), (13, 1446255), (15, 1253421), (27, 696345), (39, 482085), (45, 417807), (65, 289251), (81, 232115), (117, 160695), (135, 139269), (195, 96417), (351, 53565), (405, 46423), (585, 32139), (1053, 17855), (1755, 10713), (3571, 5265)]