19491498

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2687}}^1$

素因数の和:2739

約数の個数: 48

約数和(自身を含む): 46964736

約数和(自身を除く): 27473238

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 1209, 2418, 2687, 3627, 5374, 7254, 8061, 16122, 24183, 34931, 48366, 69862, 83297, 104793, 166594, 209586, 249891, 314379, 499782, 628758, 749673, 1082861, 1499346, 2165722, 3248583, 6497166, 9745749, 19491498]

約数ペア:

[(1, 19491498), (2, 9745749), (3, 6497166), (6, 3248583), (9, 2165722), (13, 1499346), (18, 1082861), (26, 749673), (31, 628758), (39, 499782), (62, 314379), (78, 249891), (93, 209586), (117, 166594), (186, 104793), (234, 83297), (279, 69862), (403, 48366), (558, 34931), (806, 24183), (1209, 16122), (2418, 8061), (2687, 7254), (3627, 5374)]