19221220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{56533}}^1$

素因数の和:56559

約数の個数: 24

約数和(自身を含む): 42739704

約数和(自身を除く): 23518484

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 56533, 113066, 226132, 282665, 565330, 961061, 1130660, 1922122, 3844244, 4805305, 9610610, 19221220]

約数ペア:

[(1, 19221220), (2, 9610610), (4, 4805305), (5, 3844244), (10, 1922122), (17, 1130660), (20, 961061), (34, 565330), (68, 282665), (85, 226132), (170, 113066), (340, 56533)]