19042480

素因数分解:

$2^4\times 5^1\times {\mathrm{238031}}^1$

素因数の和:238044

約数の個数: 20

約数和(自身を含む): 44273952

約数和(自身を除く): 25231472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 238031, 476062, 952124, 1190155, 1904248, 2380310, 3808496, 4760620, 9521240, 19042480]

約数ペア:

[(1, 19042480), (2, 9521240), (4, 4760620), (5, 3808496), (8, 2380310), (10, 1904248), (16, 1190155), (20, 952124), (40, 476062), (80, 238031)]