199903696

素因数分解:

$2^4\times {\mathrm{659}}^1\times {\mathrm{18959}}^1$

素因数の和:19626

約数の個数: 20

約数和(自身を含む): 387921600

約数和(自身を除く): 188017904

約数列:

[1, 2, 4, 8, 16, 659, 1318, 2636, 5272, 10544, 18959, 37918, 75836, 151672, 303344, 12493981, 24987962, 49975924, 99951848, 199903696]

約数ペア:

[(1, 199903696), (2, 99951848), (4, 49975924), (8, 24987962), (16, 12493981), (659, 303344), (1318, 151672), (2636, 75836), (5272, 37918), (10544, 18959)]