19379484

素因数分解:

$2^2\times 3^2\times {\mathrm{431}}^1\times {\mathrm{1249}}^1$

素因数の和:1690

約数の個数: 36

約数和(自身を含む): 49140000

約数和(自身を除く): 29760516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 431, 862, 1249, 1293, 1724, 2498, 2586, 3747, 3879, 4996, 5172, 7494, 7758, 11241, 14988, 15516, 22482, 44964, 538319, 1076638, 1614957, 2153276, 3229914, 4844871, 6459828, 9689742, 19379484]

約数ペア:

[(1, 19379484), (2, 9689742), (3, 6459828), (4, 4844871), (6, 3229914), (9, 2153276), (12, 1614957), (18, 1076638), (36, 538319), (431, 44964), (862, 22482), (1249, 15516), (1293, 14988), (1724, 11241), (2498, 7758), (2586, 7494), (3747, 5172), (3879, 4996)]