19861160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45139}}^1$

素因数の和:45161

約数の個数: 32

約数和(自身を含む): 48751200

約数和(自身を除く): 28890040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 45139, 90278, 180556, 225695, 361112, 451390, 496529, 902780, 993058, 1805560, 1986116, 2482645, 3972232, 4965290, 9930580, 19861160]

約数ペア:

[(1, 19861160), (2, 9930580), (4, 4965290), (5, 3972232), (8, 2482645), (10, 1986116), (11, 1805560), (20, 993058), (22, 902780), (40, 496529), (44, 451390), (55, 361112), (88, 225695), (110, 180556), (220, 90278), (440, 45139)]