19865180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{58427}}^1$

素因数の和:58453

約数の個数: 24

約数和(自身を含む): 44171568

約数和(自身を除く): 24306388

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 58427, 116854, 233708, 292135, 584270, 993259, 1168540, 1986518, 3973036, 4966295, 9932590, 19865180]

約数ペア:

[(1, 19865180), (2, 9932590), (4, 4966295), (5, 3973036), (10, 1986518), (17, 1168540), (20, 993259), (34, 584270), (68, 292135), (85, 233708), (170, 116854), (340, 58427)]