19933690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2393}}^1$

素因数の和:2431

約数の個数: 48

約数和(自身を含む): 44212392

約数和(自身を除く): 24278702

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 490, 595, 833, 1190, 1666, 2393, 4165, 4786, 8330, 11965, 16751, 23930, 33502, 40681, 81362, 83755, 117257, 167510, 203405, 234514, 284767, 406810, 569534, 586285, 1172570, 1423835, 1993369, 2847670, 3986738, 9966845, 19933690]

約数ペア:

[(1, 19933690), (2, 9966845), (5, 3986738), (7, 2847670), (10, 1993369), (14, 1423835), (17, 1172570), (34, 586285), (35, 569534), (49, 406810), (70, 284767), (85, 234514), (98, 203405), (119, 167510), (170, 117257), (238, 83755), (245, 81362), (490, 40681), (595, 33502), (833, 23930), (1190, 16751), (1666, 11965), (2393, 8330), (4165, 4786)]