1891939160

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{433931}}^1$

素因数の和:434051

約数の個数: 32

約数和(自身を含む): 4295926800

約数和(自身を除く): 2403987640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 433931, 867862, 1735724, 2169655, 3471448, 4339310, 8678620, 17357240, 47298479, 94596958, 189193916, 236492395, 378387832, 472984790, 945969580, 1891939160]

約数ペア:

[(1, 1891939160), (2, 945969580), (4, 472984790), (5, 378387832), (8, 236492395), (10, 189193916), (20, 94596958), (40, 47298479), (109, 17357240), (218, 8678620), (436, 4339310), (545, 3471448), (872, 2169655), (1090, 1735724), (2180, 867862), (4360, 433931)]