18737960

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9967}}^1$

素因数の和:10025

約数の個数: 32

約数和(自身を含む): 43061760

約数和(自身を除く): 24323800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 9967, 19934, 39868, 49835, 79736, 99670, 199340, 398680, 468449, 936898, 1873796, 2342245, 3747592, 4684490, 9368980, 18737960]

約数ペア:

[(1, 18737960), (2, 9368980), (4, 4684490), (5, 3747592), (8, 2342245), (10, 1873796), (20, 936898), (40, 468449), (47, 398680), (94, 199340), (188, 99670), (235, 79736), (376, 49835), (470, 39868), (940, 19934), (1880, 9967)]