19555406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{293}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 33784128

約数和(自身を除く): 14228722

約数列:

[1, 2, 13, 17, 26, 34, 151, 221, 293, 302, 442, 586, 1963, 2567, 3809, 3926, 4981, 5134, 7618, 9962, 33371, 44243, 64753, 66742, 88486, 129506, 575159, 752131, 1150318, 1504262, 9777703, 19555406]

約数ペア:

[(1, 19555406), (2, 9777703), (13, 1504262), (17, 1150318), (26, 752131), (34, 575159), (151, 129506), (221, 88486), (293, 66742), (302, 64753), (442, 44243), (586, 33371), (1963, 9962), (2567, 7618), (3809, 5134), (3926, 4981)]