18774140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 50125824

約数和(自身を除く): 31351684

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 73, 77, 110, 140, 146, 154, 167, 220, 292, 308, 334, 365, 385, 511, 668, 730, 770, 803, 835, 1022, 1169, 1460, 1540, 1606, 1670, 1837, 2044, 2338, 2555, 3212, 3340, 3674, 4015, 4676, 5110, 5621, 5845, 7348, 8030, 9185, 10220, 11242, 11690, 12191, 12859, 16060, 18370, 22484, 23380, 24382, 25718, 28105, 36740, 48764, 51436, 56210, 60955, 64295, 85337, 112420, 121910, 128590, 134101, 170674, 243820, 257180, 268202, 341348, 426685, 536404, 670505, 853370, 938707, 1341010, 1706740, 1877414, 2682020, 3754828, 4693535, 9387070, 18774140]

約数ペア:

[(1, 18774140), (2, 9387070), (4, 4693535), (5, 3754828), (7, 2682020), (10, 1877414), (11, 1706740), (14, 1341010), (20, 938707), (22, 853370), (28, 670505), (35, 536404), (44, 426685), (55, 341348), (70, 268202), (73, 257180), (77, 243820), (110, 170674), (140, 134101), (146, 128590), (154, 121910), (167, 112420), (220, 85337), (292, 64295), (308, 60955), (334, 56210), (365, 51436), (385, 48764), (511, 36740), (668, 28105), (730, 25718), (770, 24382), (803, 23380), (835, 22484), (1022, 18370), (1169, 16060), (1460, 12859), (1540, 12191), (1606, 11690), (1670, 11242), (1837, 10220), (2044, 9185), (2338, 8030), (2555, 7348), (3212, 5845), (3340, 5621), (3674, 5110), (4015, 4676)]