19376838

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4871}}^1$

素因数の和:4909

約数の個数: 48

約数和(自身を含む): 47882016

約数和(自身を除く): 28505178

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 4871, 9742, 14613, 29226, 43839, 63323, 82807, 87678, 126646, 165614, 189969, 248421, 379938, 496842, 569907, 745263, 1076491, 1139814, 1490526, 2152982, 3229473, 6458946, 9688419, 19376838]

約数ペア:

[(1, 19376838), (2, 9688419), (3, 6458946), (6, 3229473), (9, 2152982), (13, 1490526), (17, 1139814), (18, 1076491), (26, 745263), (34, 569907), (39, 496842), (51, 379938), (78, 248421), (102, 189969), (117, 165614), (153, 126646), (221, 87678), (234, 82807), (306, 63323), (442, 43839), (663, 29226), (1326, 14613), (1989, 9742), (3978, 4871)]