19771080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23537}}^1$

素因数の和:23558

約数の個数: 64

約数和(自身を含む): 67789440

約数和(自身を除く): 48018360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23537, 47074, 70611, 94148, 117685, 141222, 164759, 188296, 235370, 282444, 329518, 353055, 470740, 494277, 564888, 659036, 706110, 823795, 941480, 988554, 1318072, 1412220, 1647590, 1977108, 2471385, 2824440, 3295180, 3954216, 4942770, 6590360, 9885540, 19771080]

約数ペア:

[(1, 19771080), (2, 9885540), (3, 6590360), (4, 4942770), (5, 3954216), (6, 3295180), (7, 2824440), (8, 2471385), (10, 1977108), (12, 1647590), (14, 1412220), (15, 1318072), (20, 988554), (21, 941480), (24, 823795), (28, 706110), (30, 659036), (35, 564888), (40, 494277), (42, 470740), (56, 353055), (60, 329518), (70, 282444), (84, 235370), (105, 188296), (120, 164759), (140, 141222), (168, 117685), (210, 94148), (280, 70611), (420, 47074), (840, 23537)]