18339832

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 42508800

約数和(自身を除く): 24168968

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 29, 46, 56, 58, 92, 116, 161, 184, 203, 232, 322, 406, 491, 644, 667, 812, 982, 1288, 1334, 1624, 1964, 2668, 3437, 3928, 4669, 5336, 6874, 9338, 11293, 13748, 14239, 18676, 22586, 27496, 28478, 37352, 45172, 56956, 79051, 90344, 99673, 113912, 158102, 199346, 316204, 327497, 398692, 632408, 654994, 797384, 1309988, 2292479, 2619976, 4584958, 9169916, 18339832]

約数ペア:

[(1, 18339832), (2, 9169916), (4, 4584958), (7, 2619976), (8, 2292479), (14, 1309988), (23, 797384), (28, 654994), (29, 632408), (46, 398692), (56, 327497), (58, 316204), (92, 199346), (116, 158102), (161, 113912), (184, 99673), (203, 90344), (232, 79051), (322, 56956), (406, 45172), (491, 37352), (644, 28478), (667, 27496), (812, 22586), (982, 18676), (1288, 14239), (1334, 13748), (1624, 11293), (1964, 9338), (2668, 6874), (3437, 5336), (3928, 4669)]