18850195

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2437}}^1$

素因数の和:2479

約数の個数: 32

約数和(自身を含む): 29490048

約数和(自身を除く): 10639853

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 2437, 7735, 12185, 17059, 31681, 41429, 85295, 158405, 207145, 221767, 290003, 538577, 1108835, 1450015, 2692885, 3770039, 18850195]

約数ペア:

[(1, 18850195), (5, 3770039), (7, 2692885), (13, 1450015), (17, 1108835), (35, 538577), (65, 290003), (85, 221767), (91, 207145), (119, 158405), (221, 85295), (455, 41429), (595, 31681), (1105, 17059), (1547, 12185), (2437, 7735)]