18814575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{839}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 34997760

約数和(自身を除く): 16183185

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 195, 299, 325, 345, 575, 839, 897, 975, 1495, 1725, 2517, 4195, 4485, 7475, 10907, 12585, 19297, 20975, 22425, 32721, 54535, 57891, 62925, 96485, 163605, 250861, 272675, 289455, 482425, 752583, 818025, 1254305, 1447275, 3762915, 6271525, 18814575]

約数ペア:

[(1, 18814575), (3, 6271525), (5, 3762915), (13, 1447275), (15, 1254305), (23, 818025), (25, 752583), (39, 482425), (65, 289455), (69, 272675), (75, 250861), (115, 163605), (195, 96485), (299, 62925), (325, 57891), (345, 54535), (575, 32721), (839, 22425), (897, 20975), (975, 19297), (1495, 12585), (1725, 10907), (2517, 7475), (4195, 4485)]