19799810

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{907}}^1$

素因数の和:1010

約数の個数: 32

約数和(自身を含む): 37264320

約数和(自身を除く): 17464510

約数列:

[1, 2, 5, 10, 37, 59, 74, 118, 185, 295, 370, 590, 907, 1814, 2183, 4366, 4535, 9070, 10915, 21830, 33559, 53513, 67118, 107026, 167795, 267565, 335590, 535130, 1979981, 3959962, 9899905, 19799810]

約数ペア:

[(1, 19799810), (2, 9899905), (5, 3959962), (10, 1979981), (37, 535130), (59, 335590), (74, 267565), (118, 167795), (185, 107026), (295, 67118), (370, 53513), (590, 33559), (907, 21830), (1814, 10915), (2183, 9070), (4366, 4535)]