19691474

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1423}}^1$

素因数の和:1490

約数の個数: 32

約数和(自身を含む): 35064576

約数和(自身を除く): 15373102

約数列:

[1, 2, 11, 17, 22, 34, 37, 74, 187, 374, 407, 629, 814, 1258, 1423, 2846, 6919, 13838, 15653, 24191, 31306, 48382, 52651, 105302, 266101, 532202, 579161, 895067, 1158322, 1790134, 9845737, 19691474]

約数ペア:

[(1, 19691474), (2, 9845737), (11, 1790134), (17, 1158322), (22, 895067), (34, 579161), (37, 532202), (74, 266101), (187, 105302), (374, 52651), (407, 48382), (629, 31306), (814, 24191), (1258, 15653), (1423, 13838), (2846, 6919)]