19561937

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:368

約数の個数: 16

約数和(自身を含む): 21245952

約数和(自身を除く): 1684015

約数列:

[1, 23, 37, 127, 181, 851, 2921, 4163, 4699, 6697, 22987, 108077, 154031, 528701, 850519, 19561937]

約数ペア:

[(1, 19561937), (23, 850519), (37, 528701), (127, 154031), (181, 108077), (851, 22987), (2921, 6697), (4163, 4699)]