19420090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2377}}^1$

素因数の和:2446

約数の個数: 32

約数和(自身を含む): 37667520

約数和(自身を除く): 18247430

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 2377, 4085, 4754, 8170, 11885, 23770, 45163, 90326, 102211, 204422, 225815, 451630, 511055, 1022110, 1942009, 3884018, 9710045, 19420090]

約数ペア:

[(1, 19420090), (2, 9710045), (5, 3884018), (10, 1942009), (19, 1022110), (38, 511055), (43, 451630), (86, 225815), (95, 204422), (190, 102211), (215, 90326), (430, 45163), (817, 23770), (1634, 11885), (2377, 8170), (4085, 4754)]