18966700

素因数分解:

$2^2\times 5^2\times {\mathrm{241}}^1\times {\mathrm{787}}^1$

素因数の和:1042

約数の個数: 36

約数和(自身を含む): 41381032

約数和(自身を除く): 22414332

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 241, 482, 787, 964, 1205, 1574, 2410, 3148, 3935, 4820, 6025, 7870, 12050, 15740, 19675, 24100, 39350, 78700, 189667, 379334, 758668, 948335, 1896670, 3793340, 4741675, 9483350, 18966700]

約数ペア:

[(1, 18966700), (2, 9483350), (4, 4741675), (5, 3793340), (10, 1896670), (20, 948335), (25, 758668), (50, 379334), (100, 189667), (241, 78700), (482, 39350), (787, 24100), (964, 19675), (1205, 15740), (1574, 12050), (2410, 7870), (3148, 6025), (3935, 4820)]