18404235

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 33546240

約数和(自身を除く): 15142005

約数列:

[1, 3, 5, 9, 15, 31, 45, 79, 93, 155, 167, 237, 279, 395, 465, 501, 711, 835, 1185, 1395, 1503, 2449, 2505, 3555, 5177, 7347, 7515, 12245, 13193, 15531, 22041, 25885, 36735, 39579, 46593, 65965, 77655, 110205, 118737, 197895, 232965, 408983, 593685, 1226949, 2044915, 3680847, 6134745, 18404235]

約数ペア:

[(1, 18404235), (3, 6134745), (5, 3680847), (9, 2044915), (15, 1226949), (31, 593685), (45, 408983), (79, 232965), (93, 197895), (155, 118737), (167, 110205), (237, 77655), (279, 65965), (395, 46593), (465, 39579), (501, 36735), (711, 25885), (835, 22041), (1185, 15531), (1395, 13193), (1503, 12245), (2449, 7515), (2505, 7347), (3555, 5177)]