19394518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3989}}^1$

素因数の和:4032

約数の個数: 32

約数和(自身を含む): 36197280

約数和(自身を除く): 16802762

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 143, 187, 221, 286, 374, 442, 2431, 3989, 4862, 7978, 43879, 51857, 67813, 87758, 103714, 135626, 570427, 745943, 881569, 1140854, 1491886, 1763138, 9697259, 19394518]

約数ペア:

[(1, 19394518), (2, 9697259), (11, 1763138), (13, 1491886), (17, 1140854), (22, 881569), (26, 745943), (34, 570427), (143, 135626), (187, 103714), (221, 87758), (286, 67813), (374, 51857), (442, 43879), (2431, 7978), (3989, 4862)]