2018087290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{43691}}^1$

素因数の和:43878

約数の個数: 32

約数和(自身を含む): 3774988800

約数和(自身を除く): 1756901510

約数列:

[1, 2, 5, 10, 31, 62, 149, 155, 298, 310, 745, 1490, 4619, 9238, 23095, 43691, 46190, 87382, 218455, 436910, 1354421, 2708842, 6509959, 6772105, 13019918, 13544210, 32549795, 65099590, 201808729, 403617458, 1009043645, 2018087290]

約数ペア:

[(1, 2018087290), (2, 1009043645), (5, 403617458), (10, 201808729), (31, 65099590), (62, 32549795), (149, 13544210), (155, 13019918), (298, 6772105), (310, 6509959), (745, 2708842), (1490, 1354421), (4619, 436910), (9238, 218455), (23095, 87382), (43691, 46190)]