19995431028

素因数分解:

$2^2\times 3^1\times {\mathrm{163}}^1\times {\mathrm{571}}^1\times {\mathrm{17903}}^1$

素因数の和:18644

約数の個数: 48

約数和(自身を含む): 47027076096

約数和(自身を除く): 27031645068

約数列:

[1, 2, 3, 4, 6, 12, 163, 326, 489, 571, 652, 978, 1142, 1713, 1956, 2284, 3426, 6852, 17903, 35806, 53709, 71612, 93073, 107418, 186146, 214836, 279219, 372292, 558438, 1116876, 2918189, 5836378, 8754567, 10222613, 11672756, 17509134, 20445226, 30667839, 35018268, 40890452, 61335678, 122671356, 1666285919, 3332571838, 4998857757, 6665143676, 9997715514, 19995431028]

約数ペア:

[(1, 19995431028), (2, 9997715514), (3, 6665143676), (4, 4998857757), (6, 3332571838), (12, 1666285919), (163, 122671356), (326, 61335678), (489, 40890452), (571, 35018268), (652, 30667839), (978, 20445226), (1142, 17509134), (1713, 11672756), (1956, 10222613), (2284, 8754567), (3426, 5836378), (6852, 2918189), (17903, 1116876), (35806, 558438), (53709, 372292), (71612, 279219), (93073, 214836), (107418, 186146)]