19813356

素因数分解:

$2^2\times 3^3\times {\mathrm{383}}^1\times {\mathrm{479}}^1$

素因数の和:875

約数の個数: 48

約数和(自身を含む): 51609600

約数和(自身を除く): 31796244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 383, 479, 766, 958, 1149, 1437, 1532, 1916, 2298, 2874, 3447, 4311, 4596, 5748, 6894, 8622, 10341, 12933, 13788, 17244, 20682, 25866, 41364, 51732, 183457, 366914, 550371, 733828, 1100742, 1651113, 2201484, 3302226, 4953339, 6604452, 9906678, 19813356]

約数ペア:

[(1, 19813356), (2, 9906678), (3, 6604452), (4, 4953339), (6, 3302226), (9, 2201484), (12, 1651113), (18, 1100742), (27, 733828), (36, 550371), (54, 366914), (108, 183457), (383, 51732), (479, 41364), (766, 25866), (958, 20682), (1149, 17244), (1437, 13788), (1532, 12933), (1916, 10341), (2298, 8622), (2874, 6894), (3447, 5748), (4311, 4596)]