19647660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1033}}^1$

素因数の和:1362

約数の個数: 48

約数和(自身を含む): 55240416

約数和(自身を除く): 35592756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 317, 634, 951, 1033, 1268, 1585, 1902, 2066, 3099, 3170, 3804, 4132, 4755, 5165, 6198, 6340, 9510, 10330, 12396, 15495, 19020, 20660, 30990, 61980, 327461, 654922, 982383, 1309844, 1637305, 1964766, 3274610, 3929532, 4911915, 6549220, 9823830, 19647660]

約数ペア:

[(1, 19647660), (2, 9823830), (3, 6549220), (4, 4911915), (5, 3929532), (6, 3274610), (10, 1964766), (12, 1637305), (15, 1309844), (20, 982383), (30, 654922), (60, 327461), (317, 61980), (634, 30990), (951, 20660), (1033, 19020), (1268, 15495), (1585, 12396), (1902, 10330), (2066, 9510), (3099, 6340), (3170, 6198), (3804, 5165), (4132, 4755)]