19971488

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{21521}}^1$

素因数の和:21560

約数の個数: 24

約数和(自身を含む): 40676580

約数和(自身を除く): 20705092

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 232, 464, 928, 21521, 43042, 86084, 172168, 344336, 624109, 688672, 1248218, 2496436, 4992872, 9985744, 19971488]

約数ペア:

[(1, 19971488), (2, 9985744), (4, 4992872), (8, 2496436), (16, 1248218), (29, 688672), (32, 624109), (58, 344336), (116, 172168), (232, 86084), (464, 43042), (928, 21521)]