19384120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{647}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 50388480

約数和(自身を除く): 31004360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 535, 647, 749, 856, 1070, 1294, 1498, 2140, 2588, 2996, 3235, 3745, 4280, 4529, 5176, 5992, 6470, 7490, 9058, 12940, 14980, 18116, 22645, 25880, 29960, 36232, 45290, 69229, 90580, 138458, 181160, 276916, 346145, 484603, 553832, 692290, 969206, 1384580, 1938412, 2423015, 2769160, 3876824, 4846030, 9692060, 19384120]

約数ペア:

[(1, 19384120), (2, 9692060), (4, 4846030), (5, 3876824), (7, 2769160), (8, 2423015), (10, 1938412), (14, 1384580), (20, 969206), (28, 692290), (35, 553832), (40, 484603), (56, 346145), (70, 276916), (107, 181160), (140, 138458), (214, 90580), (280, 69229), (428, 45290), (535, 36232), (647, 29960), (749, 25880), (856, 22645), (1070, 18116), (1294, 14980), (1498, 12940), (2140, 9058), (2588, 7490), (2996, 6470), (3235, 5992), (3745, 5176), (4280, 4529)]