18683224

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 42024960

約数和(自身を除く): 23341736

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 71, 74, 127, 142, 148, 254, 259, 284, 296, 497, 508, 518, 568, 889, 994, 1016, 1036, 1778, 1988, 2072, 2627, 3556, 3976, 4699, 5254, 7112, 9017, 9398, 10508, 18034, 18389, 18796, 21016, 32893, 36068, 36778, 37592, 63119, 65786, 72136, 73556, 126238, 131572, 147112, 252476, 263144, 333629, 504952, 667258, 1334516, 2335403, 2669032, 4670806, 9341612, 18683224]

約数ペア:

[(1, 18683224), (2, 9341612), (4, 4670806), (7, 2669032), (8, 2335403), (14, 1334516), (28, 667258), (37, 504952), (56, 333629), (71, 263144), (74, 252476), (127, 147112), (142, 131572), (148, 126238), (254, 73556), (259, 72136), (284, 65786), (296, 63119), (497, 37592), (508, 36778), (518, 36068), (568, 32893), (889, 21016), (994, 18796), (1016, 18389), (1036, 18034), (1778, 10508), (1988, 9398), (2072, 9017), (2627, 7112), (3556, 5254), (3976, 4699)]