18566290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{907}}^1$

素因数の和:1026

約数の個数: 32

約数和(自身を含む): 35303040

約数和(自身を除く): 16736750

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 907, 1814, 2047, 4094, 4535, 9070, 10235, 20470, 20861, 41722, 80723, 104305, 161446, 208610, 403615, 807230, 1856629, 3713258, 9283145, 18566290]

約数ペア:

[(1, 18566290), (2, 9283145), (5, 3713258), (10, 1856629), (23, 807230), (46, 403615), (89, 208610), (115, 161446), (178, 104305), (230, 80723), (445, 41722), (890, 20861), (907, 20470), (1814, 10235), (2047, 9070), (4094, 4535)]