19857160

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13417}}^1$

素因数の和:13465

約数の個数: 32

約数和(自身を含む): 45889560

約数和(自身を除く): 26032400

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 13417, 26834, 53668, 67085, 107336, 134170, 268340, 496429, 536680, 992858, 1985716, 2482145, 3971432, 4964290, 9928580, 19857160]

約数ペア:

[(1, 19857160), (2, 9928580), (4, 4964290), (5, 3971432), (8, 2482145), (10, 1985716), (20, 992858), (37, 536680), (40, 496429), (74, 268340), (148, 134170), (185, 107336), (296, 67085), (370, 53668), (740, 26834), (1480, 13417)]