19005040

素因数分解:

$2^4\times 5^1\times {\mathrm{237563}}^1$

素因数の和:237576

約数の個数: 20

約数和(自身を含む): 44186904

約数和(自身を除く): 25181864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 237563, 475126, 950252, 1187815, 1900504, 2375630, 3801008, 4751260, 9502520, 19005040]

約数ペア:

[(1, 19005040), (2, 9502520), (4, 4751260), (5, 3801008), (8, 2375630), (10, 1900504), (16, 1187815), (20, 950252), (40, 475126), (80, 237563)]