19690996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{3539}}^1$

素因数の和:3663

約数の個数: 24

約数和(自身を含む): 37467360

約数和(自身を除く): 17776364

約数列:

[1, 2, 4, 13, 26, 52, 107, 214, 428, 1391, 2782, 3539, 5564, 7078, 14156, 46007, 92014, 184028, 378673, 757346, 1514692, 4922749, 9845498, 19690996]

約数ペア:

[(1, 19690996), (2, 9845498), (4, 4922749), (13, 1514692), (26, 757346), (52, 378673), (107, 184028), (214, 92014), (428, 46007), (1391, 14156), (2782, 7078), (3539, 5564)]