207830018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1181}}^1$

素因数の和:1634

約数の個数: 32

約数和(自身を含む): 359138880

約数和(自身を除く): 151308862

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 421, 842, 1181, 2362, 4631, 7999, 9262, 12991, 15998, 22439, 25982, 44878, 87989, 175978, 246829, 493658, 497201, 994402, 5469211, 9446819, 10938422, 18893638, 103915009, 207830018]

約数ペア:

[(1, 207830018), (2, 103915009), (11, 18893638), (19, 10938422), (22, 9446819), (38, 5469211), (209, 994402), (418, 497201), (421, 493658), (842, 246829), (1181, 175978), (2362, 87989), (4631, 44878), (7999, 25982), (9262, 22439), (12991, 15998)]