18178732

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 38060064

約数和(自身を除く): 19881332

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 61, 122, 143, 244, 286, 521, 572, 671, 793, 1042, 1342, 1586, 2084, 2684, 3172, 5731, 6773, 8723, 11462, 13546, 17446, 22924, 27092, 31781, 34892, 63562, 74503, 127124, 149006, 298012, 349591, 413153, 699182, 826306, 1398364, 1652612, 4544683, 9089366, 18178732]

約数ペア:

[(1, 18178732), (2, 9089366), (4, 4544683), (11, 1652612), (13, 1398364), (22, 826306), (26, 699182), (44, 413153), (52, 349591), (61, 298012), (122, 149006), (143, 127124), (244, 74503), (286, 63562), (521, 34892), (572, 31781), (671, 27092), (793, 22924), (1042, 17446), (1342, 13546), (1586, 11462), (2084, 8723), (2684, 6773), (3172, 5731)]