19661424

素因数分解:

$2^4\times 3^1\times {\mathrm{157}}^1\times {\mathrm{2609}}^1$

素因数の和:2777

約数の個数: 40

約数和(自身を含む): 51135120

約数和(自身を除く): 31473696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 157, 314, 471, 628, 942, 1256, 1884, 2512, 2609, 3768, 5218, 7536, 7827, 10436, 15654, 20872, 31308, 41744, 62616, 125232, 409613, 819226, 1228839, 1638452, 2457678, 3276904, 4915356, 6553808, 9830712, 19661424]

約数ペア:

[(1, 19661424), (2, 9830712), (3, 6553808), (4, 4915356), (6, 3276904), (8, 2457678), (12, 1638452), (16, 1228839), (24, 819226), (48, 409613), (157, 125232), (314, 62616), (471, 41744), (628, 31308), (942, 20872), (1256, 15654), (1884, 10436), (2512, 7827), (2609, 7536), (3768, 5218)]