19095920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8231}}^1$

素因数の和:8273

約数の個数: 40

約数和(自身を含む): 45934560

約数和(自身を除く): 26838640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 8231, 16462, 32924, 41155, 65848, 82310, 131696, 164620, 238699, 329240, 477398, 658480, 954796, 1193495, 1909592, 2386990, 3819184, 4773980, 9547960, 19095920]

約数ペア:

[(1, 19095920), (2, 9547960), (4, 4773980), (5, 3819184), (8, 2386990), (10, 1909592), (16, 1193495), (20, 954796), (29, 658480), (40, 477398), (58, 329240), (80, 238699), (116, 164620), (145, 131696), (232, 82310), (290, 65848), (464, 41155), (580, 32924), (1160, 16462), (2320, 8231)]