18009872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{59243}}^1$

素因数の和:59270

約数の個数: 20

約数和(自身を含む): 36731280

約数和(自身を除く): 18721408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 59243, 118486, 236972, 473944, 947888, 1125617, 2251234, 4502468, 9004936, 18009872]

約数ペア:

[(1, 18009872), (2, 9004936), (4, 4502468), (8, 2251234), (16, 1125617), (19, 947888), (38, 473944), (76, 236972), (152, 118486), (304, 59243)]