19424090

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{809}}^1$

素因数の和:844

約数の個数: 40

約数和(自身を含む): 40838580

約数和(自身を除く): 21414490

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 809, 1618, 1715, 2401, 3430, 4045, 4802, 5663, 8090, 11326, 12005, 24010, 28315, 39641, 56630, 79282, 198205, 277487, 396410, 554974, 1387435, 1942409, 2774870, 3884818, 9712045, 19424090]

約数ペア:

[(1, 19424090), (2, 9712045), (5, 3884818), (7, 2774870), (10, 1942409), (14, 1387435), (35, 554974), (49, 396410), (70, 277487), (98, 198205), (245, 79282), (343, 56630), (490, 39641), (686, 28315), (809, 24010), (1618, 12005), (1715, 11326), (2401, 8090), (3430, 5663), (4045, 4802)]