19811268

素因数分解:

$2^2\times 3^2\times {\mathrm{173}}^1\times {\mathrm{3181}}^1$

素因数の和:3364

約数の個数: 36

約数和(自身を含む): 50383788

約数和(自身を除く): 30572520

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 173, 346, 519, 692, 1038, 1557, 2076, 3114, 3181, 6228, 6362, 9543, 12724, 19086, 28629, 38172, 57258, 114516, 550313, 1100626, 1650939, 2201252, 3301878, 4952817, 6603756, 9905634, 19811268]

約数ペア:

[(1, 19811268), (2, 9905634), (3, 6603756), (4, 4952817), (6, 3301878), (9, 2201252), (12, 1650939), (18, 1100626), (36, 550313), (173, 114516), (346, 57258), (519, 38172), (692, 28629), (1038, 19086), (1557, 12724), (2076, 9543), (3114, 6362), (3181, 6228)]