19554955

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 28200960

約数和(自身を除く): 8646005

約数列:

[1, 5, 7, 31, 35, 67, 155, 217, 269, 335, 469, 1085, 1345, 1883, 2077, 2345, 8339, 9415, 10385, 14539, 18023, 41695, 58373, 72695, 90115, 126161, 291865, 558713, 630805, 2793565, 3910991, 19554955]

約数ペア:

[(1, 19554955), (5, 3910991), (7, 2793565), (31, 630805), (35, 558713), (67, 291865), (155, 126161), (217, 90115), (269, 72695), (335, 58373), (469, 41695), (1085, 18023), (1345, 14539), (1883, 10385), (2077, 9415), (2345, 8339)]