19500572

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{317}}^1$

素因数の和:367

約数の個数: 48

約数和(自身を含む): 42383040

約数和(自身を除く): 22882468

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 317, 338, 364, 634, 676, 1183, 1268, 2197, 2219, 2366, 4121, 4394, 4438, 4732, 8242, 8788, 8876, 15379, 16484, 28847, 30758, 53573, 57694, 61516, 107146, 115388, 214292, 375011, 696449, 750022, 1392898, 1500044, 2785796, 4875143, 9750286, 19500572]

約数ペア:

[(1, 19500572), (2, 9750286), (4, 4875143), (7, 2785796), (13, 1500044), (14, 1392898), (26, 750022), (28, 696449), (52, 375011), (91, 214292), (169, 115388), (182, 107146), (317, 61516), (338, 57694), (364, 53573), (634, 30758), (676, 28847), (1183, 16484), (1268, 15379), (2197, 8876), (2219, 8788), (2366, 8242), (4121, 4732), (4394, 4438)]