18880245826

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1\times {\mathrm{43037}}^1$

素因数の和:43458

約数の個数: 32

約数和(自身を含む): 31235258880

約数和(自身を除く): 12355013054

約数列:

[1, 2, 13, 26, 47, 94, 359, 611, 718, 1222, 4667, 9334, 16873, 33746, 43037, 86074, 219349, 438698, 559481, 1118962, 2022739, 4045478, 15450283, 26295607, 30900566, 52591214, 200853679, 401707358, 726163301, 1452326602, 9440122913, 18880245826]

約数ペア:

[(1, 18880245826), (2, 9440122913), (13, 1452326602), (26, 726163301), (47, 401707358), (94, 200853679), (359, 52591214), (611, 30900566), (718, 26295607), (1222, 15450283), (4667, 4045478), (9334, 2022739), (16873, 1118962), (33746, 559481), (43037, 438698), (86074, 219349)]