19484680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21179}}^1$

素因数の和:21213

約数の個数: 32

約数和(自身を含む): 45748800

約数和(自身を除く): 26264120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 21179, 42358, 84716, 105895, 169432, 211790, 423580, 487117, 847160, 974234, 1948468, 2435585, 3896936, 4871170, 9742340, 19484680]

約数ペア:

[(1, 19484680), (2, 9742340), (4, 4871170), (5, 3896936), (8, 2435585), (10, 1948468), (20, 974234), (23, 847160), (40, 487117), (46, 423580), (92, 211790), (115, 169432), (184, 105895), (230, 84716), (460, 42358), (920, 21179)]