19279405

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 24964632

約数和(自身を除く): 5685227

約数列:

[1, 5, 23, 37, 115, 185, 197, 529, 851, 985, 2645, 4255, 4531, 7289, 19573, 22655, 36445, 97865, 104213, 167647, 521065, 838235, 3855881, 19279405]

約数ペア:

[(1, 19279405), (5, 3855881), (23, 838235), (37, 521065), (115, 167647), (185, 104213), (197, 97865), (529, 36445), (851, 22655), (985, 19573), (2645, 7289), (4255, 4531)]