18995692786

素因数分解:

$2^1\times 7^1\times {\mathrm{2141}}^1\times {\mathrm{633739}}^1$

素因数の和:635889

約数の個数: 16

約数和(自身を含む): 32579305920

約数和(自身を除く): 13583613134

約数列:

[1, 2, 7, 14, 2141, 4282, 14987, 29974, 633739, 1267478, 4436173, 8872346, 1356835199, 2713670398, 9497846393, 18995692786]

約数ペア:

[(1, 18995692786), (2, 9497846393), (7, 2713670398), (14, 1356835199), (2141, 8872346), (4282, 4436173), (14987, 1267478), (29974, 633739)]