19853654

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{3919}}^1$

素因数の和:4087

約数の個数: 16

約数和(自身を含む): 31752000

約数和(自身を除く): 11898346

約数列:

[1, 2, 17, 34, 149, 298, 2533, 3919, 5066, 7838, 66623, 133246, 583931, 1167862, 9926827, 19853654]

約数ペア:

[(1, 19853654), (2, 9926827), (17, 1167862), (34, 583931), (149, 133246), (298, 66623), (2533, 7838), (3919, 5066)]