19855188

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{6197}}^1$

素因数の和:6296

約数の個数: 36

約数和(自身を含む): 50761620

約数和(自身を除く): 30906432

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 6197, 12394, 18591, 24788, 37182, 55773, 74364, 111546, 223092, 551533, 1103066, 1654599, 2206132, 3309198, 4963797, 6618396, 9927594, 19855188]

約数ペア:

[(1, 19855188), (2, 9927594), (3, 6618396), (4, 4963797), (6, 3309198), (9, 2206132), (12, 1654599), (18, 1103066), (36, 551533), (89, 223092), (178, 111546), (267, 74364), (356, 55773), (534, 37182), (801, 24788), (1068, 18591), (1602, 12394), (3204, 6197)]