18247747

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 22522752

約数和(自身を除く): 4275005

約数列:

[1, 7, 31, 41, 49, 217, 287, 293, 1271, 1519, 2009, 2051, 8897, 9083, 12013, 14357, 62279, 63581, 84091, 372403, 445067, 588637, 2606821, 18247747]

約数ペア:

[(1, 18247747), (7, 2606821), (31, 588637), (41, 445067), (49, 372403), (217, 84091), (287, 63581), (293, 62279), (1271, 14357), (1519, 12013), (2009, 9083), (2051, 8897)]