19943484

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6569}}^1$

素因数の和:6610

約数の個数: 48

約数和(自身を含む): 52980480

約数和(自身を除く): 33036996

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 66, 69, 92, 132, 138, 253, 276, 506, 759, 1012, 1518, 3036, 6569, 13138, 19707, 26276, 39414, 72259, 78828, 144518, 151087, 216777, 289036, 302174, 433554, 453261, 604348, 867108, 906522, 1661957, 1813044, 3323914, 4985871, 6647828, 9971742, 19943484]

約数ペア:

[(1, 19943484), (2, 9971742), (3, 6647828), (4, 4985871), (6, 3323914), (11, 1813044), (12, 1661957), (22, 906522), (23, 867108), (33, 604348), (44, 453261), (46, 433554), (66, 302174), (69, 289036), (92, 216777), (132, 151087), (138, 144518), (253, 78828), (276, 72259), (506, 39414), (759, 26276), (1012, 19707), (1518, 13138), (3036, 6569)]