19937090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5099}}^1$

素因数の和:5146

約数の個数: 32

約数和(自身を含む): 39657600

約数和(自身を除く): 19720510

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 5099, 10198, 25495, 50990, 86683, 117277, 173366, 234554, 433415, 586385, 866830, 1172770, 1993709, 3987418, 9968545, 19937090]

約数ペア:

[(1, 19937090), (2, 9968545), (5, 3987418), (10, 1993709), (17, 1172770), (23, 866830), (34, 586385), (46, 433415), (85, 234554), (115, 173366), (170, 117277), (230, 86683), (391, 50990), (782, 25495), (1955, 10198), (3910, 5099)]