18016838

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:177

約数の個数: 48

約数和(自身を含む): 33804384

約数和(自身を除く): 15787546

約数列:

[1, 2, 7, 14, 17, 34, 61, 73, 119, 122, 146, 238, 289, 427, 511, 578, 854, 1022, 1037, 1241, 2023, 2074, 2482, 4046, 4453, 7259, 8687, 8906, 14518, 17374, 17629, 21097, 31171, 35258, 42194, 62342, 75701, 123403, 147679, 151402, 246806, 295358, 529907, 1059814, 1286917, 2573834, 9008419, 18016838]

約数ペア:

[(1, 18016838), (2, 9008419), (7, 2573834), (14, 1286917), (17, 1059814), (34, 529907), (61, 295358), (73, 246806), (119, 151402), (122, 147679), (146, 123403), (238, 75701), (289, 62342), (427, 42194), (511, 35258), (578, 31171), (854, 21097), (1022, 17629), (1037, 17374), (1241, 14518), (2023, 8906), (2074, 8687), (2482, 7259), (4046, 4453)]