19201818

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{433}}^1$

素因数の和:846

約数の個数: 32

約数和(自身を含む): 40622400

約数和(自身を除く): 21420582

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 389, 433, 778, 866, 1167, 1299, 2334, 2598, 7391, 8227, 14782, 16454, 22173, 24681, 44346, 49362, 168437, 336874, 505311, 1010622, 3200303, 6400606, 9600909, 19201818]

約数ペア:

[(1, 19201818), (2, 9600909), (3, 6400606), (6, 3200303), (19, 1010622), (38, 505311), (57, 336874), (114, 168437), (389, 49362), (433, 44346), (778, 24681), (866, 22173), (1167, 16454), (1299, 14782), (2334, 8227), (2598, 7391)]