18876340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1847}}^1$

素因数の和:1936

約数の個数: 48

約数和(自身を含む): 45948672

約数和(自身を除く): 27072332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 1847, 2044, 2555, 3694, 5110, 7388, 9235, 10220, 12929, 18470, 25858, 36940, 51716, 64645, 129290, 134831, 258580, 269662, 539324, 674155, 943817, 1348310, 1887634, 2696620, 3775268, 4719085, 9438170, 18876340]

約数ペア:

[(1, 18876340), (2, 9438170), (4, 4719085), (5, 3775268), (7, 2696620), (10, 1887634), (14, 1348310), (20, 943817), (28, 674155), (35, 539324), (70, 269662), (73, 258580), (140, 134831), (146, 129290), (292, 64645), (365, 51716), (511, 36940), (730, 25858), (1022, 18470), (1460, 12929), (1847, 10220), (2044, 9235), (2555, 7388), (3694, 5110)]