18693115

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 27527040

約数和(自身を除く): 8833925

約数列:

[1, 5, 7, 17, 35, 85, 89, 119, 353, 445, 595, 623, 1513, 1765, 2471, 3115, 6001, 7565, 10591, 12355, 30005, 31417, 42007, 52955, 157085, 210035, 219919, 534089, 1099595, 2670445, 3738623, 18693115]

約数ペア:

[(1, 18693115), (5, 3738623), (7, 2670445), (17, 1099595), (35, 534089), (85, 219919), (89, 210035), (119, 157085), (353, 52955), (445, 42007), (595, 31417), (623, 30005), (1513, 12355), (1765, 10591), (2471, 7565), (3115, 6001)]