19528341

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 31358208

約数和(自身を除く): 11829867

約数列:

[1, 3, 7, 21, 37, 41, 111, 123, 259, 287, 613, 777, 861, 1517, 1839, 4291, 4551, 10619, 12873, 22681, 25133, 31857, 68043, 75399, 158767, 175931, 476301, 527793, 929921, 2789763, 6509447, 19528341]

約数ペア:

[(1, 19528341), (3, 6509447), (7, 2789763), (21, 929921), (37, 527793), (41, 476301), (111, 175931), (123, 158767), (259, 75399), (287, 68043), (613, 31857), (777, 25133), (861, 22681), (1517, 12873), (1839, 10619), (4291, 4551)]