19371180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{647}}^1$

素因数の和:1158

約数の個数: 48

約数和(自身を含む): 54432000

約数和(自身を除く): 35060820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 499, 647, 998, 1294, 1497, 1941, 1996, 2495, 2588, 2994, 3235, 3882, 4990, 5988, 6470, 7485, 7764, 9705, 9980, 12940, 14970, 19410, 29940, 38820, 322853, 645706, 968559, 1291412, 1614265, 1937118, 3228530, 3874236, 4842795, 6457060, 9685590, 19371180]

約数ペア:

[(1, 19371180), (2, 9685590), (3, 6457060), (4, 4842795), (5, 3874236), (6, 3228530), (10, 1937118), (12, 1614265), (15, 1291412), (20, 968559), (30, 645706), (60, 322853), (499, 38820), (647, 29940), (998, 19410), (1294, 14970), (1497, 12940), (1941, 9980), (1996, 9705), (2495, 7764), (2588, 7485), (2994, 6470), (3235, 5988), (3882, 4990)]