18199472

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:741

約数の個数: 40

約数和(自身を含む): 37133040

約数和(自身を除く): 18933568

約数列:

[1, 2, 4, 8, 16, 29, 58, 61, 116, 122, 232, 244, 464, 488, 643, 976, 1286, 1769, 2572, 3538, 5144, 7076, 10288, 14152, 18647, 28304, 37294, 39223, 74588, 78446, 149176, 156892, 298352, 313784, 627568, 1137467, 2274934, 4549868, 9099736, 18199472]

約数ペア:

[(1, 18199472), (2, 9099736), (4, 4549868), (8, 2274934), (16, 1137467), (29, 627568), (58, 313784), (61, 298352), (116, 156892), (122, 149176), (232, 78446), (244, 74588), (464, 39223), (488, 37294), (643, 28304), (976, 18647), (1286, 14152), (1769, 10288), (2572, 7076), (3538, 5144)]