18456752

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{557}}^1$

素因数の和:693

約数の個数: 40

約数和(自身を含む): 38055600

約数和(自身を除く): 19598848

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 109, 152, 218, 304, 436, 557, 872, 1114, 1744, 2071, 2228, 4142, 4456, 8284, 8912, 10583, 16568, 21166, 33136, 42332, 60713, 84664, 121426, 169328, 242852, 485704, 971408, 1153547, 2307094, 4614188, 9228376, 18456752]

約数ペア:

[(1, 18456752), (2, 9228376), (4, 4614188), (8, 2307094), (16, 1153547), (19, 971408), (38, 485704), (76, 242852), (109, 169328), (152, 121426), (218, 84664), (304, 60713), (436, 42332), (557, 33136), (872, 21166), (1114, 16568), (1744, 10583), (2071, 8912), (2228, 8284), (4142, 4456)]