18287538

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{8443}}^1$

素因数の和:8486

約数の個数: 24

約数和(自身を含む): 38605968

約数和(自身を除く): 20318430

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 361, 722, 1083, 2166, 8443, 16886, 25329, 50658, 160417, 320834, 481251, 962502, 3047923, 6095846, 9143769, 18287538]

約数ペア:

[(1, 18287538), (2, 9143769), (3, 6095846), (6, 3047923), (19, 962502), (38, 481251), (57, 320834), (114, 160417), (361, 50658), (722, 25329), (1083, 16886), (2166, 8443)]