18721776

素因数分解:

$2^4\times 3^1\times {\mathrm{97}}^1\times {\mathrm{4021}}^1$

素因数の和:4129

約数の個数: 40

約数和(自身を含む): 48875344

約数和(自身を除く): 30153568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 97, 194, 291, 388, 582, 776, 1164, 1552, 2328, 4021, 4656, 8042, 12063, 16084, 24126, 32168, 48252, 64336, 96504, 193008, 390037, 780074, 1170111, 1560148, 2340222, 3120296, 4680444, 6240592, 9360888, 18721776]

約数ペア:

[(1, 18721776), (2, 9360888), (3, 6240592), (4, 4680444), (6, 3120296), (8, 2340222), (12, 1560148), (16, 1170111), (24, 780074), (48, 390037), (97, 193008), (194, 96504), (291, 64336), (388, 48252), (582, 32168), (776, 24126), (1164, 16084), (1552, 12063), (2328, 8042), (4021, 4656)]