19849880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29191}}^1$

素因数の和:29219

約数の個数: 32

約数和(自身を含む): 47291040

約数和(自身を除く): 27441160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29191, 58382, 116764, 145955, 233528, 291910, 496247, 583820, 992494, 1167640, 1984988, 2481235, 3969976, 4962470, 9924940, 19849880]

約数ペア:

[(1, 19849880), (2, 9924940), (4, 4962470), (5, 3969976), (8, 2481235), (10, 1984988), (17, 1167640), (20, 992494), (34, 583820), (40, 496247), (68, 291910), (85, 233528), (136, 145955), (170, 116764), (340, 58382), (680, 29191)]