19723920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82183}}^1$

素因数の和:82199

約数の個数: 40

約数和(自身を含む): 61144896

約数和(自身を除く): 41420976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82183, 164366, 246549, 328732, 410915, 493098, 657464, 821830, 986196, 1232745, 1314928, 1643660, 1972392, 2465490, 3287320, 3944784, 4930980, 6574640, 9861960, 19723920]

約数ペア:

[(1, 19723920), (2, 9861960), (3, 6574640), (4, 4930980), (5, 3944784), (6, 3287320), (8, 2465490), (10, 1972392), (12, 1643660), (15, 1314928), (16, 1232745), (20, 986196), (24, 821830), (30, 657464), (40, 493098), (48, 410915), (60, 328732), (80, 246549), (120, 164366), (240, 82183)]