19680648

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{63079}}^1$

素因数の和:63101

約数の個数: 32

約数和(自身を含む): 52987200

約数和(自身を除く): 33306552

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 63079, 126158, 189237, 252316, 378474, 504632, 756948, 820027, 1513896, 1640054, 2460081, 3280108, 4920162, 6560216, 9840324, 19680648]

約数ペア:

[(1, 19680648), (2, 9840324), (3, 6560216), (4, 4920162), (6, 3280108), (8, 2460081), (12, 1640054), (13, 1513896), (24, 820027), (26, 756948), (39, 504632), (52, 378474), (78, 252316), (104, 189237), (156, 126158), (312, 63079)]