19571080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1693}}^1$

素因数の和:1738

約数の個数: 48

約数和(自身を含む): 46805220

約数和(自身を除く): 27234140

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 1693, 2312, 2890, 3386, 5780, 6772, 8465, 11560, 13544, 16930, 28781, 33860, 57562, 67720, 115124, 143905, 230248, 287810, 489277, 575620, 978554, 1151240, 1957108, 2446385, 3914216, 4892770, 9785540, 19571080]

約数ペア:

[(1, 19571080), (2, 9785540), (4, 4892770), (5, 3914216), (8, 2446385), (10, 1957108), (17, 1151240), (20, 978554), (34, 575620), (40, 489277), (68, 287810), (85, 230248), (136, 143905), (170, 115124), (289, 67720), (340, 57562), (578, 33860), (680, 28781), (1156, 16930), (1445, 13544), (1693, 11560), (2312, 8465), (2890, 6772), (3386, 5780)]