18530824

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 39997440

約数和(自身を除く): 21466616

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 61, 92, 104, 122, 127, 184, 244, 254, 299, 488, 508, 598, 793, 1016, 1196, 1403, 1586, 1651, 2392, 2806, 2921, 3172, 3302, 5612, 5842, 6344, 6604, 7747, 11224, 11684, 13208, 15494, 18239, 23368, 30988, 36478, 37973, 61976, 72956, 75946, 100711, 145912, 151892, 178181, 201422, 303784, 356362, 402844, 712724, 805688, 1425448, 2316353, 4632706, 9265412, 18530824]

約数ペア:

[(1, 18530824), (2, 9265412), (4, 4632706), (8, 2316353), (13, 1425448), (23, 805688), (26, 712724), (46, 402844), (52, 356362), (61, 303784), (92, 201422), (104, 178181), (122, 151892), (127, 145912), (184, 100711), (244, 75946), (254, 72956), (299, 61976), (488, 37973), (508, 36478), (598, 30988), (793, 23368), (1016, 18239), (1196, 15494), (1403, 13208), (1586, 11684), (1651, 11224), (2392, 7747), (2806, 6604), (2921, 6344), (3172, 5842), (3302, 5612)]