18996965695

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1439}}^1\times {\mathrm{1607}}^1$

素因数の和:3135

約数の個数: 32

約数和(自身を含む): 24007311360

約数和(自身を除く): 5010345665

約数列:

[1, 5, 31, 53, 155, 265, 1439, 1607, 1643, 7195, 8035, 8215, 44609, 49817, 76267, 85171, 223045, 249085, 381335, 425855, 2312473, 2364277, 2640301, 11562365, 11821385, 13201505, 71686663, 122561069, 358433315, 612805345, 3799393139, 18996965695]

約数ペア:

[(1, 18996965695), (5, 3799393139), (31, 612805345), (53, 358433315), (155, 122561069), (265, 71686663), (1439, 13201505), (1607, 11821385), (1643, 11562365), (7195, 2640301), (8035, 2364277), (8215, 2312473), (44609, 425855), (49817, 381335), (76267, 249085), (85171, 223045)]