19958070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 52690176

約数和(自身を除く): 32732106

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 197, 307, 330, 394, 591, 614, 921, 985, 1182, 1535, 1842, 1970, 2167, 2955, 3070, 3377, 4334, 4605, 5910, 6501, 6754, 9210, 10131, 10835, 13002, 16885, 20262, 21670, 32505, 33770, 50655, 60479, 65010, 101310, 120958, 181437, 302395, 362874, 604790, 665269, 907185, 1330538, 1814370, 1995807, 3326345, 3991614, 6652690, 9979035, 19958070]

約数ペア:

[(1, 19958070), (2, 9979035), (3, 6652690), (5, 3991614), (6, 3326345), (10, 1995807), (11, 1814370), (15, 1330538), (22, 907185), (30, 665269), (33, 604790), (55, 362874), (66, 302395), (110, 181437), (165, 120958), (197, 101310), (307, 65010), (330, 60479), (394, 50655), (591, 33770), (614, 32505), (921, 21670), (985, 20262), (1182, 16885), (1535, 13002), (1842, 10835), (1970, 10131), (2167, 9210), (2955, 6754), (3070, 6501), (3377, 5910), (4334, 4605)]