19882381211

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{27449}}^1$

素因数の和:27899

約数の個数: 32

約数和(自身を含む): 25930368000

約数和(自身を除く): 6047986789

約数列:

[1, 7, 11, 23, 77, 161, 253, 409, 1771, 2863, 4499, 9407, 27449, 31493, 65849, 103477, 192143, 301939, 631327, 724339, 2113573, 4419289, 6944597, 11226641, 48612179, 78586487, 123493051, 258212743, 864451357, 1807489201, 2840340173, 19882381211]

約数ペア:

[(1, 19882381211), (7, 2840340173), (11, 1807489201), (23, 864451357), (77, 258212743), (161, 123493051), (253, 78586487), (409, 48612179), (1771, 11226641), (2863, 6944597), (4499, 4419289), (9407, 2113573), (27449, 724339), (31493, 631327), (65849, 301939), (103477, 192143)]