17976970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 36197280

約数和(自身を除く): 18220310

約数列:

[1, 2, 5, 10, 11, 22, 55, 83, 110, 121, 166, 179, 242, 358, 415, 605, 830, 895, 913, 1210, 1790, 1826, 1969, 3938, 4565, 9130, 9845, 10043, 14857, 19690, 20086, 21659, 29714, 43318, 50215, 74285, 100430, 108295, 148570, 163427, 216590, 326854, 817135, 1634270, 1797697, 3595394, 8988485, 17976970]

約数ペア:

[(1, 17976970), (2, 8988485), (5, 3595394), (10, 1797697), (11, 1634270), (22, 817135), (55, 326854), (83, 216590), (110, 163427), (121, 148570), (166, 108295), (179, 100430), (242, 74285), (358, 50215), (415, 43318), (605, 29714), (830, 21659), (895, 20086), (913, 19690), (1210, 14857), (1790, 10043), (1826, 9845), (1969, 9130), (3938, 4565)]