19806436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20047}}^1$

素因数の和:20083

約数の個数: 24

約数和(自身を含む): 39294080

約数和(自身を除く): 19487644

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20047, 40094, 80188, 260611, 380893, 521222, 761786, 1042444, 1523572, 4951609, 9903218, 19806436]

約数ペア:

[(1, 19806436), (2, 9903218), (4, 4951609), (13, 1523572), (19, 1042444), (26, 761786), (38, 521222), (52, 380893), (76, 260611), (247, 80188), (494, 40094), (988, 20047)]