19687836

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{811}}^1$

素因数の和:859

約数の個数: 72

約数和(自身を含む): 55839616

約数和(自身を除く): 36151780

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 289, 357, 476, 578, 714, 811, 867, 1156, 1428, 1622, 1734, 2023, 2433, 3244, 3468, 4046, 4866, 5677, 6069, 8092, 9732, 11354, 12138, 13787, 17031, 22708, 24276, 27574, 34062, 41361, 55148, 68124, 82722, 96509, 165444, 193018, 234379, 289527, 386036, 468758, 579054, 703137, 937516, 1158108, 1406274, 1640653, 2812548, 3281306, 4921959, 6562612, 9843918, 19687836]

約数ペア:

[(1, 19687836), (2, 9843918), (3, 6562612), (4, 4921959), (6, 3281306), (7, 2812548), (12, 1640653), (14, 1406274), (17, 1158108), (21, 937516), (28, 703137), (34, 579054), (42, 468758), (51, 386036), (68, 289527), (84, 234379), (102, 193018), (119, 165444), (204, 96509), (238, 82722), (289, 68124), (357, 55148), (476, 41361), (578, 34062), (714, 27574), (811, 24276), (867, 22708), (1156, 17031), (1428, 13787), (1622, 12138), (1734, 11354), (2023, 9732), (2433, 8092), (3244, 6069), (3468, 5677), (4046, 4866)]