19281780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{5101}}^1$

素因数の和:5126

約数の個数: 96

約数和(自身を含む): 68570880

約数和(自身を除く): 49289100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 5101, 10202, 15303, 20404, 25505, 30606, 35707, 45909, 51010, 61212, 71414, 76515, 91818, 102020, 107121, 137727, 142828, 153030, 178535, 183636, 214242, 229545, 275454, 306060, 321363, 357070, 428484, 459090, 535605, 550908, 642726, 688635, 714140, 918180, 964089, 1071210, 1285452, 1377270, 1606815, 1928178, 2142420, 2754540, 3213630, 3856356, 4820445, 6427260, 9640890, 19281780]

約数ペア:

[(1, 19281780), (2, 9640890), (3, 6427260), (4, 4820445), (5, 3856356), (6, 3213630), (7, 2754540), (9, 2142420), (10, 1928178), (12, 1606815), (14, 1377270), (15, 1285452), (18, 1071210), (20, 964089), (21, 918180), (27, 714140), (28, 688635), (30, 642726), (35, 550908), (36, 535605), (42, 459090), (45, 428484), (54, 357070), (60, 321363), (63, 306060), (70, 275454), (84, 229545), (90, 214242), (105, 183636), (108, 178535), (126, 153030), (135, 142828), (140, 137727), (180, 107121), (189, 102020), (210, 91818), (252, 76515), (270, 71414), (315, 61212), (378, 51010), (420, 45909), (540, 35707), (630, 30606), (756, 25505), (945, 20404), (1260, 15303), (1890, 10202), (3780, 5101)]