18967902

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1987}}^1$

素因数の和:2072

約数の個数: 32

約数和(自身を含む): 39887232

約数和(自身を除く): 20919330

約数列:

[1, 2, 3, 6, 37, 43, 74, 86, 111, 129, 222, 258, 1591, 1987, 3182, 3974, 4773, 5961, 9546, 11922, 73519, 85441, 147038, 170882, 220557, 256323, 441114, 512646, 3161317, 6322634, 9483951, 18967902]

約数ペア:

[(1, 18967902), (2, 9483951), (3, 6322634), (6, 3161317), (37, 512646), (43, 441114), (74, 256323), (86, 220557), (111, 170882), (129, 147038), (222, 85441), (258, 73519), (1591, 11922), (1987, 9546), (3182, 5961), (3974, 4773)]