19259440

素因数分解:

$2^4\times 5^1\times {\mathrm{240743}}^1$

素因数の和:240756

約数の個数: 20

約数和(自身を含む): 44778384

約数和(自身を除く): 25518944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 240743, 481486, 962972, 1203715, 1925944, 2407430, 3851888, 4814860, 9629720, 19259440]

約数ペア:

[(1, 19259440), (2, 9629720), (4, 4814860), (5, 3851888), (8, 2407430), (10, 1925944), (16, 1203715), (20, 962972), (40, 481486), (80, 240743)]