18922820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19309}}^1$

素因数の和:19332

約数の個数: 36

約数和(自身を含む): 46228140

約数和(自身を除く): 27305320

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 19309, 38618, 77236, 96545, 135163, 193090, 270326, 386180, 540652, 675815, 946141, 1351630, 1892282, 2703260, 3784564, 4730705, 9461410, 18922820]

約数ペア:

[(1, 18922820), (2, 9461410), (4, 4730705), (5, 3784564), (7, 2703260), (10, 1892282), (14, 1351630), (20, 946141), (28, 675815), (35, 540652), (49, 386180), (70, 270326), (98, 193090), (140, 135163), (196, 96545), (245, 77236), (490, 38618), (980, 19309)]