19639242

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1973}}^1$

素因数の和:2067

約数の個数: 48

約数和(自身を含む): 49271040

約数和(自身を除く): 29631798

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 79, 126, 158, 237, 474, 553, 711, 1106, 1422, 1659, 1973, 3318, 3946, 4977, 5919, 9954, 11838, 13811, 17757, 27622, 35514, 41433, 82866, 124299, 155867, 248598, 311734, 467601, 935202, 1091069, 1402803, 2182138, 2805606, 3273207, 6546414, 9819621, 19639242]

約数ペア:

[(1, 19639242), (2, 9819621), (3, 6546414), (6, 3273207), (7, 2805606), (9, 2182138), (14, 1402803), (18, 1091069), (21, 935202), (42, 467601), (63, 311734), (79, 248598), (126, 155867), (158, 124299), (237, 82866), (474, 41433), (553, 35514), (711, 27622), (1106, 17757), (1422, 13811), (1659, 11838), (1973, 9954), (3318, 5919), (3946, 4977)]