17889260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{263}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 22027540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 179, 190, 263, 358, 380, 526, 716, 895, 1052, 1315, 1790, 2630, 3401, 3580, 4997, 5260, 6802, 9994, 13604, 17005, 19988, 24985, 34010, 47077, 49970, 68020, 94154, 99940, 188308, 235385, 470770, 894463, 941540, 1788926, 3577852, 4472315, 8944630, 17889260]

約数ペア:

[(1, 17889260), (2, 8944630), (4, 4472315), (5, 3577852), (10, 1788926), (19, 941540), (20, 894463), (38, 470770), (76, 235385), (95, 188308), (179, 99940), (190, 94154), (263, 68020), (358, 49970), (380, 47077), (526, 34010), (716, 24985), (895, 19988), (1052, 17005), (1315, 13604), (1790, 9994), (2630, 6802), (3401, 5260), (3580, 4997)]