19710198

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{619}}^1$

素因数の和:717

約数の個数: 48

約数和(自身を含む): 44974800

約数和(自身を除く): 25264602

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 61, 87, 122, 174, 183, 261, 366, 522, 549, 619, 1098, 1238, 1769, 1857, 3538, 3714, 5307, 5571, 10614, 11142, 15921, 17951, 31842, 35902, 37759, 53853, 75518, 107706, 113277, 161559, 226554, 323118, 339831, 679662, 1095011, 2190022, 3285033, 6570066, 9855099, 19710198]

約数ペア:

[(1, 19710198), (2, 9855099), (3, 6570066), (6, 3285033), (9, 2190022), (18, 1095011), (29, 679662), (58, 339831), (61, 323118), (87, 226554), (122, 161559), (174, 113277), (183, 107706), (261, 75518), (366, 53853), (522, 37759), (549, 35902), (619, 31842), (1098, 17951), (1238, 15921), (1769, 11142), (1857, 10614), (3538, 5571), (3714, 5307)]