19776872

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5657}}^1$

素因数の和:5705

約数の個数: 32

約数和(自身を含む): 40737600

約数和(自身を除く): 20960728

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 437, 874, 1748, 3496, 5657, 11314, 22628, 45256, 107483, 130111, 214966, 260222, 429932, 520444, 859864, 1040888, 2472109, 4944218, 9888436, 19776872]

約数ペア:

[(1, 19776872), (2, 9888436), (4, 4944218), (8, 2472109), (19, 1040888), (23, 859864), (38, 520444), (46, 429932), (76, 260222), (92, 214966), (152, 130111), (184, 107483), (437, 45256), (874, 22628), (1748, 11314), (3496, 5657)]