1988045392

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{159503}}^1$

素因数の和:159571

約数の個数: 40

約数和(自身を含む): 4153484160

約数和(自身を除く): 2165438768

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1558, 3116, 6232, 12464, 159503, 319006, 638012, 1276024, 2552048, 3030557, 6061114, 6539623, 12122228, 13079246, 24244456, 26158492, 48488912, 52316984, 104633968, 124252837, 248505674, 497011348, 994022696, 1988045392]

約数ペア:

[(1, 1988045392), (2, 994022696), (4, 497011348), (8, 248505674), (16, 124252837), (19, 104633968), (38, 52316984), (41, 48488912), (76, 26158492), (82, 24244456), (152, 13079246), (164, 12122228), (304, 6539623), (328, 6061114), (656, 3030557), (779, 2552048), (1558, 1276024), (3116, 638012), (6232, 319006), (12464, 159503)]