19499031

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1487}}^1$

素因数の和:1571

約数の個数: 24

約数和(自身を含む): 29712384

約数和(自身を除く): 10213353

約数列:

[1, 3, 9, 31, 47, 93, 141, 279, 423, 1457, 1487, 4371, 4461, 13113, 13383, 46097, 69889, 138291, 209667, 414873, 629001, 2166559, 6499677, 19499031]

約数ペア:

[(1, 19499031), (3, 6499677), (9, 2166559), (31, 629001), (47, 414873), (93, 209667), (141, 138291), (279, 69889), (423, 46097), (1457, 13383), (1487, 13113), (4371, 4461)]