19898992528

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{313}}^1\times {\mathrm{39341}}^1$

素因数の和:39763

約数の個数: 40

約数和(自身を含む): 39061412856

約数和(自身を除く): 19162420328

約数列:

[1, 2, 4, 8, 16, 101, 202, 313, 404, 626, 808, 1252, 1616, 2504, 5008, 31613, 39341, 63226, 78682, 126452, 157364, 252904, 314728, 505808, 629456, 3973441, 7946882, 12313733, 15893764, 24627466, 31787528, 49254932, 63575056, 98509864, 197019728, 1243687033, 2487374066, 4974748132, 9949496264, 19898992528]

約数ペア:

[(1, 19898992528), (2, 9949496264), (4, 4974748132), (8, 2487374066), (16, 1243687033), (101, 197019728), (202, 98509864), (313, 63575056), (404, 49254932), (626, 31787528), (808, 24627466), (1252, 15893764), (1616, 12313733), (2504, 7946882), (5008, 3973441), (31613, 629456), (39341, 505808), (63226, 314728), (78682, 252904), (126452, 157364)]