18965967805

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1033}}^1\times {\mathrm{3541}}^1$

素因数の和:4657

約数の個数: 32

約数和(自身を含む): 24523617888

約数和(自身を除く): 5557650083

約数列:

[1, 5, 17, 61, 85, 305, 1033, 1037, 3541, 5165, 5185, 17561, 17705, 60197, 63013, 87805, 216001, 300985, 315065, 1071221, 1080005, 3657853, 3672017, 5356105, 18289265, 18360085, 62183501, 223129033, 310917505, 1115645165, 3793193561, 18965967805]

約数ペア:

[(1, 18965967805), (5, 3793193561), (17, 1115645165), (61, 310917505), (85, 223129033), (305, 62183501), (1033, 18360085), (1037, 18289265), (3541, 5356105), (5165, 3672017), (5185, 3657853), (17561, 1080005), (17705, 1071221), (60197, 315065), (63013, 300985), (87805, 216001)]