18378444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{661}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 49231616

約数和(自身を除く): 30853172

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 331, 661, 662, 993, 1322, 1324, 1983, 1986, 2317, 2644, 3966, 3972, 4627, 4634, 6951, 7932, 9254, 9268, 13881, 13902, 18508, 27762, 27804, 55524, 218791, 437582, 656373, 875164, 1312746, 1531537, 2625492, 3063074, 4594611, 6126148, 9189222, 18378444]

約数ペア:

[(1, 18378444), (2, 9189222), (3, 6126148), (4, 4594611), (6, 3063074), (7, 2625492), (12, 1531537), (14, 1312746), (21, 875164), (28, 656373), (42, 437582), (84, 218791), (331, 55524), (661, 27804), (662, 27762), (993, 18508), (1322, 13902), (1324, 13881), (1983, 9268), (1986, 9254), (2317, 7932), (2644, 6951), (3966, 4634), (3972, 4627)]