19258780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{859}}^1$

素因数の和:946

約数の個数: 48

約数和(自身を含む): 43344000

約数和(自身を除く): 24085220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 859, 1121, 1180, 1718, 2242, 3436, 4295, 4484, 5605, 8590, 11210, 16321, 17180, 22420, 32642, 50681, 65284, 81605, 101362, 163210, 202724, 253405, 326420, 506810, 962939, 1013620, 1925878, 3851756, 4814695, 9629390, 19258780]

約数ペア:

[(1, 19258780), (2, 9629390), (4, 4814695), (5, 3851756), (10, 1925878), (19, 1013620), (20, 962939), (38, 506810), (59, 326420), (76, 253405), (95, 202724), (118, 163210), (190, 101362), (236, 81605), (295, 65284), (380, 50681), (590, 32642), (859, 22420), (1121, 17180), (1180, 16321), (1718, 11210), (2242, 8590), (3436, 5605), (4295, 4484)]