19421960

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7247}}^1$

素因数の和:7325

約数の個数: 32

約数和(自身を含む): 44357760

約数和(自身を除く): 24935800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 7247, 14494, 28988, 36235, 57976, 72470, 144940, 289880, 485549, 971098, 1942196, 2427745, 3884392, 4855490, 9710980, 19421960]

約数ペア:

[(1, 19421960), (2, 9710980), (4, 4855490), (5, 3884392), (8, 2427745), (10, 1942196), (20, 971098), (40, 485549), (67, 289880), (134, 144940), (268, 72470), (335, 57976), (536, 36235), (670, 28988), (1340, 14494), (2680, 7247)]