19452340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22619}}^1$

素因数の和:22671

約数の個数: 24

約数和(自身を含む): 41801760

約数和(自身を除く): 22349420

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 22619, 45238, 90476, 113095, 226190, 452380, 972617, 1945234, 3890468, 4863085, 9726170, 19452340]

約数ペア:

[(1, 19452340), (2, 9726170), (4, 4863085), (5, 3890468), (10, 1945234), (20, 972617), (43, 452380), (86, 226190), (172, 113095), (215, 90476), (430, 45238), (860, 22619)]