19118475

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2741}}^1$

素因数の和:2788

約数の個数: 36

約数和(自身を含む): 35360832

約数和(自身を除く): 16242357

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 279, 465, 775, 1395, 2325, 2741, 6975, 8223, 13705, 24669, 41115, 68525, 84971, 123345, 205575, 254913, 424855, 616725, 764739, 1274565, 2124275, 3823695, 6372825, 19118475]

約数ペア:

[(1, 19118475), (3, 6372825), (5, 3823695), (9, 2124275), (15, 1274565), (25, 764739), (31, 616725), (45, 424855), (75, 254913), (93, 205575), (155, 123345), (225, 84971), (279, 68525), (465, 41115), (775, 24669), (1395, 13705), (2325, 8223), (2741, 6975)]