18880976

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{51307}}^1$

素因数の和:51338

約数の個数: 20

約数和(自身を含む): 38173152

約数和(自身を除く): 19292176

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 51307, 102614, 205228, 410456, 820912, 1180061, 2360122, 4720244, 9440488, 18880976]

約数ペア:

[(1, 18880976), (2, 9440488), (4, 4720244), (8, 2360122), (16, 1180061), (23, 820912), (46, 410456), (92, 205228), (184, 102614), (368, 51307)]