19799080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2281}}^1$

素因数の和:2330

約数の個数: 64

約数和(自身を含む): 52577280

約数和(自身を除く): 32778200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 2281, 4340, 4562, 8680, 9124, 11405, 15967, 18248, 22810, 31934, 45620, 63868, 70711, 79835, 91240, 127736, 141422, 159670, 282844, 319340, 353555, 494977, 565688, 638680, 707110, 989954, 1414220, 1979908, 2474885, 2828440, 3959816, 4949770, 9899540, 19799080]

約数ペア:

[(1, 19799080), (2, 9899540), (4, 4949770), (5, 3959816), (7, 2828440), (8, 2474885), (10, 1979908), (14, 1414220), (20, 989954), (28, 707110), (31, 638680), (35, 565688), (40, 494977), (56, 353555), (62, 319340), (70, 282844), (124, 159670), (140, 141422), (155, 127736), (217, 91240), (248, 79835), (280, 70711), (310, 63868), (434, 45620), (620, 31934), (868, 22810), (1085, 18248), (1240, 15967), (1736, 11405), (2170, 9124), (2281, 8680), (4340, 4562)]