19551688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5081}}^1$

素因数の和:5137

約数の個数: 32

約数和(自身を含む): 40554360

約数和(自身を除く): 21002672

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5081, 10162, 20324, 40648, 66053, 132106, 187997, 264212, 375994, 528424, 751988, 1503976, 2443961, 4887922, 9775844, 19551688]

約数ペア:

[(1, 19551688), (2, 9775844), (4, 4887922), (8, 2443961), (13, 1503976), (26, 751988), (37, 528424), (52, 375994), (74, 264212), (104, 187997), (148, 132106), (296, 66053), (481, 40648), (962, 20324), (1924, 10162), (3848, 5081)]