19721613145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{467}}^1\times {\mathrm{9697}}^1$

素因数の和:10249

約数の個数: 32

約数和(自身を含む): 25924848768

約数和(自身を除く): 6203235623

約数列:

[1, 5, 13, 65, 67, 335, 467, 871, 2335, 4355, 6071, 9697, 30355, 31289, 48485, 126061, 156445, 406757, 630305, 649699, 2033785, 3248495, 4528499, 8446087, 22642495, 42230435, 58870487, 294352435, 303409433, 1517047165, 3944322629, 19721613145]

約数ペア:

[(1, 19721613145), (5, 3944322629), (13, 1517047165), (65, 303409433), (67, 294352435), (335, 58870487), (467, 42230435), (871, 22642495), (2335, 8446087), (4355, 4528499), (6071, 3248495), (9697, 2033785), (30355, 649699), (31289, 630305), (48485, 406757), (126061, 156445)]