19552920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1283}}^1$

素因数の和:1424

約数の個数: 64

約数和(自身を含む): 59166720

約数和(自身を除く): 39613800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 254, 381, 508, 635, 762, 1016, 1270, 1283, 1524, 1905, 2540, 2566, 3048, 3810, 3849, 5080, 5132, 6415, 7620, 7698, 10264, 12830, 15240, 15396, 19245, 25660, 30792, 38490, 51320, 76980, 153960, 162941, 325882, 488823, 651764, 814705, 977646, 1303528, 1629410, 1955292, 2444115, 3258820, 3910584, 4888230, 6517640, 9776460, 19552920]

約数ペア:

[(1, 19552920), (2, 9776460), (3, 6517640), (4, 4888230), (5, 3910584), (6, 3258820), (8, 2444115), (10, 1955292), (12, 1629410), (15, 1303528), (20, 977646), (24, 814705), (30, 651764), (40, 488823), (60, 325882), (120, 162941), (127, 153960), (254, 76980), (381, 51320), (508, 38490), (635, 30792), (762, 25660), (1016, 19245), (1270, 15396), (1283, 15240), (1524, 12830), (1905, 10264), (2540, 7698), (2566, 7620), (3048, 6415), (3810, 5132), (3849, 5080)]