19230460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 42134400

約数和(自身を除く): 22903940

約数列:

[1, 2, 4, 5, 10, 20, 43, 59, 86, 118, 172, 215, 236, 295, 379, 430, 590, 758, 860, 1180, 1516, 1895, 2537, 3790, 5074, 7580, 10148, 12685, 16297, 22361, 25370, 32594, 44722, 50740, 65188, 81485, 89444, 111805, 162970, 223610, 325940, 447220, 961523, 1923046, 3846092, 4807615, 9615230, 19230460]

約数ペア:

[(1, 19230460), (2, 9615230), (4, 4807615), (5, 3846092), (10, 1923046), (20, 961523), (43, 447220), (59, 325940), (86, 223610), (118, 162970), (172, 111805), (215, 89444), (236, 81485), (295, 65188), (379, 50740), (430, 44722), (590, 32594), (758, 25370), (860, 22361), (1180, 16297), (1516, 12685), (1895, 10148), (2537, 7580), (3790, 5074)]