18680455864

素因数分解:

$2^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1\times {\mathrm{15749}}^1$

素因数の和:16180

約数の個数: 64

約数和(自身を含む): 40824000000

約数和(自身を除く): 22143544136

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 59, 118, 236, 359, 413, 472, 718, 826, 1436, 1652, 2513, 2872, 3304, 5026, 10052, 15749, 20104, 21181, 31498, 42362, 62996, 84724, 110243, 125992, 148267, 169448, 220486, 296534, 440972, 593068, 881944, 929191, 1186136, 1858382, 3716764, 5653891, 6504337, 7433528, 11307782, 13008674, 22615564, 26017348, 39577237, 45231128, 52034696, 79154474, 158308948, 316617896, 333579569, 667159138, 1334318276, 2335056983, 2668636552, 4670113966, 9340227932, 18680455864]

約数ペア:

[(1, 18680455864), (2, 9340227932), (4, 4670113966), (7, 2668636552), (8, 2335056983), (14, 1334318276), (28, 667159138), (56, 333579569), (59, 316617896), (118, 158308948), (236, 79154474), (359, 52034696), (413, 45231128), (472, 39577237), (718, 26017348), (826, 22615564), (1436, 13008674), (1652, 11307782), (2513, 7433528), (2872, 6504337), (3304, 5653891), (5026, 3716764), (10052, 1858382), (15749, 1186136), (20104, 929191), (21181, 881944), (31498, 593068), (42362, 440972), (62996, 296534), (84724, 220486), (110243, 169448), (125992, 148267)]