18998152991

素因数分解:

${\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2969}}^1\times {\mathrm{5521}}^1$

素因数の和:8570

約数の個数: 16

約数和(自身を含む): 20336421600

約数和(自身を除く): 1338268609

約数列:

[1, 19, 61, 1159, 2969, 5521, 56411, 104899, 181109, 336781, 3441071, 6398839, 16391849, 311445131, 999902789, 18998152991]

約数ペア:

[(1, 18998152991), (19, 999902789), (61, 311445131), (1159, 16391849), (2969, 6398839), (5521, 3441071), (56411, 336781), (104899, 181109)]