18225816

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{691}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 52481280

約数和(自身を除く): 34255464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 157, 168, 314, 471, 628, 691, 942, 1099, 1256, 1382, 1884, 2073, 2198, 2764, 3297, 3768, 4146, 4396, 4837, 5528, 6594, 8292, 8792, 9674, 13188, 14511, 16584, 19348, 26376, 29022, 38696, 58044, 108487, 116088, 216974, 325461, 433948, 650922, 759409, 867896, 1301844, 1518818, 2278227, 2603688, 3037636, 4556454, 6075272, 9112908, 18225816]

約数ペア:

[(1, 18225816), (2, 9112908), (3, 6075272), (4, 4556454), (6, 3037636), (7, 2603688), (8, 2278227), (12, 1518818), (14, 1301844), (21, 867896), (24, 759409), (28, 650922), (42, 433948), (56, 325461), (84, 216974), (157, 116088), (168, 108487), (314, 58044), (471, 38696), (628, 29022), (691, 26376), (942, 19348), (1099, 16584), (1256, 14511), (1382, 13188), (1884, 9674), (2073, 8792), (2198, 8292), (2764, 6594), (3297, 5528), (3768, 4837), (4146, 4396)]