19569808

素因数分解:

$2^4\times {\mathrm{359}}^1\times {\mathrm{3407}}^1$

素因数の和:3774

約数の個数: 20

約数和(自身を含む): 38033280

約数和(自身を除く): 18463472

約数列:

[1, 2, 4, 8, 16, 359, 718, 1436, 2872, 3407, 5744, 6814, 13628, 27256, 54512, 1223113, 2446226, 4892452, 9784904, 19569808]

約数ペア:

[(1, 19569808), (2, 9784904), (4, 4892452), (8, 2446226), (16, 1223113), (359, 54512), (718, 27256), (1436, 13628), (2872, 6814), (3407, 5744)]