19337120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10987}}^1$

素因数の和:11013

約数の個数: 48

約数和(自身を含む): 49841568

約数和(自身を除く): 30504448

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 10987, 21974, 43948, 54935, 87896, 109870, 120857, 175792, 219740, 241714, 351584, 439480, 483428, 604285, 878960, 966856, 1208570, 1757920, 1933712, 2417140, 3867424, 4834280, 9668560, 19337120]

約数ペア:

[(1, 19337120), (2, 9668560), (4, 4834280), (5, 3867424), (8, 2417140), (10, 1933712), (11, 1757920), (16, 1208570), (20, 966856), (22, 878960), (32, 604285), (40, 483428), (44, 439480), (55, 351584), (80, 241714), (88, 219740), (110, 175792), (160, 120857), (176, 109870), (220, 87896), (352, 54935), (440, 43948), (880, 21974), (1760, 10987)]