18390704

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{16189}}^1$

素因数の和:16268

約数の個数: 20

約数和(自身を含む): 36136080

約数和(自身を除く): 17745376

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 16189, 32378, 64756, 129512, 259024, 1149419, 2298838, 4597676, 9195352, 18390704]

約数ペア:

[(1, 18390704), (2, 9195352), (4, 4597676), (8, 2298838), (16, 1149419), (71, 259024), (142, 129512), (284, 64756), (568, 32378), (1136, 16189)]