19713990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{28571}}^1$

素因数の和:28604

約数の個数: 32

約数和(自身を含む): 49372416

約数和(自身を除く): 29658426

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 28571, 57142, 85713, 142855, 171426, 285710, 428565, 657133, 857130, 1314266, 1971399, 3285665, 3942798, 6571330, 9856995, 19713990]

約数ペア:

[(1, 19713990), (2, 9856995), (3, 6571330), (5, 3942798), (6, 3285665), (10, 1971399), (15, 1314266), (23, 857130), (30, 657133), (46, 428565), (69, 285710), (115, 171426), (138, 142855), (230, 85713), (345, 57142), (690, 28571)]