18538878

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 37908000

約数和(自身を除く): 19369122

約数列:

[1, 2, 3, 6, 89, 149, 178, 233, 267, 298, 447, 466, 534, 699, 894, 1398, 13261, 20737, 26522, 34717, 39783, 41474, 62211, 69434, 79566, 104151, 124422, 208302, 3089813, 6179626, 9269439, 18538878]

約数ペア:

[(1, 18538878), (2, 9269439), (3, 6179626), (6, 3089813), (89, 208302), (149, 124422), (178, 104151), (233, 79566), (267, 69434), (298, 62211), (447, 41474), (466, 39783), (534, 34717), (699, 26522), (894, 20737), (1398, 13261)]