19013840

素因数分解:

$2^4\times 5^1\times {\mathrm{237673}}^1$

素因数の和:237686

約数の個数: 20

約数和(自身を含む): 44207364

約数和(自身を除く): 25193524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 237673, 475346, 950692, 1188365, 1901384, 2376730, 3802768, 4753460, 9506920, 19013840]

約数ペア:

[(1, 19013840), (2, 9506920), (4, 4753460), (5, 3802768), (8, 2376730), (10, 1901384), (16, 1188365), (20, 950692), (40, 475346), (80, 237673)]