19616595

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 32313600

約数和(自身を除く): 12697005

約数列:

[1, 3, 5, 15, 67, 131, 149, 201, 335, 393, 447, 655, 745, 1005, 1965, 2235, 8777, 9983, 19519, 26331, 29949, 43885, 49915, 58557, 97595, 131655, 149745, 292785, 1307773, 3923319, 6538865, 19616595]

約数ペア:

[(1, 19616595), (3, 6538865), (5, 3923319), (15, 1307773), (67, 292785), (131, 149745), (149, 131655), (201, 97595), (335, 58557), (393, 49915), (447, 43885), (655, 29949), (745, 26331), (1005, 19519), (1965, 9983), (2235, 8777)]