19869447

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1303}}^1$

素因数の和:1359

約数の個数: 32

約数和(自身を含む): 31546368

約数和(自身を除く): 11676921

約数列:

[1, 3, 13, 17, 23, 39, 51, 69, 221, 299, 391, 663, 897, 1173, 1303, 3909, 5083, 15249, 16939, 22151, 29969, 50817, 66453, 89907, 287963, 389597, 509473, 863889, 1168791, 1528419, 6623149, 19869447]

約数ペア:

[(1, 19869447), (3, 6623149), (13, 1528419), (17, 1168791), (23, 863889), (39, 509473), (51, 389597), (69, 287963), (221, 89907), (299, 66453), (391, 50817), (663, 29969), (897, 22151), (1173, 16939), (1303, 15249), (3909, 5083)]