20186469136

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{245029}}^1$

素因数の和:245327

約数の個数: 40

約数和(自身を含む): 41321859200

約数和(自身を除く): 21135390064

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 271, 304, 542, 1084, 2168, 4336, 5149, 10298, 20596, 41192, 82384, 245029, 490058, 980116, 1960232, 3920464, 4655551, 9311102, 18622204, 37244408, 66402859, 74488816, 132805718, 265611436, 531222872, 1062445744, 1261654321, 2523308642, 5046617284, 10093234568, 20186469136]

約数ペア:

[(1, 20186469136), (2, 10093234568), (4, 5046617284), (8, 2523308642), (16, 1261654321), (19, 1062445744), (38, 531222872), (76, 265611436), (152, 132805718), (271, 74488816), (304, 66402859), (542, 37244408), (1084, 18622204), (2168, 9311102), (4336, 4655551), (5149, 3920464), (10298, 1960232), (20596, 980116), (41192, 490058), (82384, 245029)]