198286774

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{20147}}^1$

素因数の和:20212

約数の個数: 32

約数和(自身を含む): 367499520

約数和(自身を除く): 169212746

約数列:

[1, 2, 7, 14, 19, 37, 38, 74, 133, 259, 266, 518, 703, 1406, 4921, 9842, 20147, 40294, 141029, 282058, 382793, 745439, 765586, 1490878, 2679551, 5218073, 5359102, 10436146, 14163341, 28326682, 99143387, 198286774]

約数ペア:

[(1, 198286774), (2, 99143387), (7, 28326682), (14, 14163341), (19, 10436146), (37, 5359102), (38, 5218073), (74, 2679551), (133, 1490878), (259, 765586), (266, 745439), (518, 382793), (703, 282058), (1406, 141029), (4921, 40294), (9842, 20147)]