17808890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8521}}^1$

素因数の和:8558

約数の個数: 32

約数和(自身を含む): 36815040

約数和(自身を除く): 19006150

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 8521, 17042, 42605, 85210, 93731, 161899, 187462, 323798, 468655, 809495, 937310, 1618990, 1780889, 3561778, 8904445, 17808890]

約数ペア:

[(1, 17808890), (2, 8904445), (5, 3561778), (10, 1780889), (11, 1618990), (19, 937310), (22, 809495), (38, 468655), (55, 323798), (95, 187462), (110, 161899), (190, 93731), (209, 85210), (418, 42605), (1045, 17042), (2090, 8521)]