19696278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 47324160

約数和(自身を除く): 27627882

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 103, 157, 174, 203, 206, 309, 314, 406, 471, 609, 618, 721, 942, 1099, 1218, 1442, 2163, 2198, 2987, 3297, 4326, 4553, 5974, 6594, 8961, 9106, 13659, 16171, 17922, 20909, 27318, 31871, 32342, 41818, 48513, 62727, 63742, 95613, 97026, 113197, 125454, 191226, 226394, 339591, 468959, 679182, 937918, 1406877, 2813754, 3282713, 6565426, 9848139, 19696278]

約数ペア:

[(1, 19696278), (2, 9848139), (3, 6565426), (6, 3282713), (7, 2813754), (14, 1406877), (21, 937918), (29, 679182), (42, 468959), (58, 339591), (87, 226394), (103, 191226), (157, 125454), (174, 113197), (203, 97026), (206, 95613), (309, 63742), (314, 62727), (406, 48513), (471, 41818), (609, 32342), (618, 31871), (721, 27318), (942, 20909), (1099, 17922), (1218, 16171), (1442, 13659), (2163, 9106), (2198, 8961), (2987, 6594), (3297, 5974), (4326, 4553)]