19872116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 41513472

約数和(自身を除く): 21641356

約数列:

[1, 2, 4, 11, 17, 22, 31, 34, 44, 62, 68, 124, 187, 341, 374, 527, 682, 748, 857, 1054, 1364, 1714, 2108, 3428, 5797, 9427, 11594, 14569, 18854, 23188, 26567, 29138, 37708, 53134, 58276, 106268, 160259, 292237, 320518, 451639, 584474, 641036, 903278, 1168948, 1806556, 4968029, 9936058, 19872116]

約数ペア:

[(1, 19872116), (2, 9936058), (4, 4968029), (11, 1806556), (17, 1168948), (22, 903278), (31, 641036), (34, 584474), (44, 451639), (62, 320518), (68, 292237), (124, 160259), (187, 106268), (341, 58276), (374, 53134), (527, 37708), (682, 29138), (748, 26567), (857, 23188), (1054, 18854), (1364, 14569), (1714, 11594), (2108, 9427), (3428, 5797)]