19091000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{1123}}^1$

素因数の和:1161

約数の個数: 64

約数和(自身を含む): 47342880

約数和(自身を除く): 28251880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 125, 136, 170, 200, 250, 340, 425, 500, 680, 850, 1000, 1123, 1700, 2125, 2246, 3400, 4250, 4492, 5615, 8500, 8984, 11230, 17000, 19091, 22460, 28075, 38182, 44920, 56150, 76364, 95455, 112300, 140375, 152728, 190910, 224600, 280750, 381820, 477275, 561500, 763640, 954550, 1123000, 1909100, 2386375, 3818200, 4772750, 9545500, 19091000]

約数ペア:

[(1, 19091000), (2, 9545500), (4, 4772750), (5, 3818200), (8, 2386375), (10, 1909100), (17, 1123000), (20, 954550), (25, 763640), (34, 561500), (40, 477275), (50, 381820), (68, 280750), (85, 224600), (100, 190910), (125, 152728), (136, 140375), (170, 112300), (200, 95455), (250, 76364), (340, 56150), (425, 44920), (500, 38182), (680, 28075), (850, 22460), (1000, 19091), (1123, 17000), (1700, 11230), (2125, 8984), (2246, 8500), (3400, 5615), (4250, 4492)]