18407090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8329}}^1$

素因数の和:8366

約数の個数: 32

約数和(自身を含む): 37784880

約数和(自身を除く): 19377790

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 8329, 16658, 41645, 83290, 108277, 141593, 216554, 283186, 541385, 707965, 1082770, 1415930, 1840709, 3681418, 9203545, 18407090]

約数ペア:

[(1, 18407090), (2, 9203545), (5, 3681418), (10, 1840709), (13, 1415930), (17, 1082770), (26, 707965), (34, 541385), (65, 283186), (85, 216554), (130, 141593), (170, 108277), (221, 83290), (442, 41645), (1105, 16658), (2210, 8329)]