19660585

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 28864512

約数和(自身を除く): 9203927

約数列:

[1, 5, 7, 17, 35, 85, 119, 173, 191, 595, 865, 955, 1211, 1337, 2941, 3247, 6055, 6685, 14705, 16235, 20587, 22729, 33043, 102935, 113645, 165215, 231301, 561731, 1156505, 2808655, 3932117, 19660585]

約数ペア:

[(1, 19660585), (5, 3932117), (7, 2808655), (17, 1156505), (35, 561731), (85, 231301), (119, 165215), (173, 113645), (191, 102935), (595, 33043), (865, 22729), (955, 20587), (1211, 16235), (1337, 14705), (2941, 6685), (3247, 6055)]