18954710

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{557}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 35435232

約数和(自身を除く): 16480522

約数列:

[1, 2, 5, 10, 41, 82, 83, 166, 205, 410, 415, 557, 830, 1114, 2785, 3403, 5570, 6806, 17015, 22837, 34030, 45674, 46231, 92462, 114185, 228370, 231155, 462310, 1895471, 3790942, 9477355, 18954710]

約数ペア:

[(1, 18954710), (2, 9477355), (5, 3790942), (10, 1895471), (41, 462310), (82, 231155), (83, 228370), (166, 114185), (205, 92462), (410, 46231), (415, 45674), (557, 34030), (830, 22837), (1114, 17015), (2785, 6806), (3403, 5570)]