19747370

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{6833}}^1$

素因数の和:6874

約数の個数: 24

約数和(自身を含む): 37764684

約数和(自身を除く): 18017314

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 6833, 13666, 34165, 68330, 116161, 232322, 580805, 1161610, 1974737, 3949474, 9873685, 19747370]

約数ペア:

[(1, 19747370), (2, 9873685), (5, 3949474), (10, 1974737), (17, 1161610), (34, 580805), (85, 232322), (170, 116161), (289, 68330), (578, 34165), (1445, 13666), (2890, 6833)]