19141700

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2423}}^1$

素因数の和:2516

約数の個数: 36

約数和(自身を含む): 42080640

約数和(自身を除く): 22938940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 2423, 3950, 4846, 7900, 9692, 12115, 24230, 48460, 60575, 121150, 191417, 242300, 382834, 765668, 957085, 1914170, 3828340, 4785425, 9570850, 19141700]

約数ペア:

[(1, 19141700), (2, 9570850), (4, 4785425), (5, 3828340), (10, 1914170), (20, 957085), (25, 765668), (50, 382834), (79, 242300), (100, 191417), (158, 121150), (316, 60575), (395, 48460), (790, 24230), (1580, 12115), (1975, 9692), (2423, 7900), (3950, 4846)]