19738780

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1753}}^1$

素因数の和:2325

約数の個数: 24

約数和(自身を含む): 41548752

約数和(自身を除く): 21809972

約数列:

[1, 2, 4, 5, 10, 20, 563, 1126, 1753, 2252, 2815, 3506, 5630, 7012, 8765, 11260, 17530, 35060, 986939, 1973878, 3947756, 4934695, 9869390, 19738780]

約数ペア:

[(1, 19738780), (2, 9869390), (4, 4934695), (5, 3947756), (10, 1973878), (20, 986939), (563, 35060), (1126, 17530), (1753, 11260), (2252, 8765), (2815, 7012), (3506, 5630)]