18498128

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1723}}^1$

素因数の和:1803

約数の個数: 40

約数和(自身を含む): 39762336

約数和(自身を除く): 21264208

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 122, 176, 244, 488, 671, 976, 1342, 1723, 2684, 3446, 5368, 6892, 10736, 13784, 18953, 27568, 37906, 75812, 105103, 151624, 210206, 303248, 420412, 840824, 1156133, 1681648, 2312266, 4624532, 9249064, 18498128]

約数ペア:

[(1, 18498128), (2, 9249064), (4, 4624532), (8, 2312266), (11, 1681648), (16, 1156133), (22, 840824), (44, 420412), (61, 303248), (88, 210206), (122, 151624), (176, 105103), (244, 75812), (488, 37906), (671, 27568), (976, 18953), (1342, 13784), (1723, 10736), (2684, 6892), (3446, 5368)]