200084972

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{138563}}^1$

素因数の和:138605

約数の個数: 18

約数和(自身を含む): 369550188

約数和(自身を除く): 169465216

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 138563, 277126, 554252, 2632697, 5265394, 10530788, 50021243, 100042486, 200084972]

約数ペア:

[(1, 200084972), (2, 100042486), (4, 50021243), (19, 10530788), (38, 5265394), (76, 2632697), (361, 554252), (722, 277126), (1444, 138563)]