19004804

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 41395200

約数和(自身を除く): 22390396

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 109, 182, 218, 364, 436, 479, 763, 958, 1417, 1526, 1916, 2834, 3052, 3353, 5668, 6227, 6706, 9919, 12454, 13412, 19838, 24908, 39676, 43589, 52211, 87178, 104422, 174356, 208844, 365477, 678743, 730954, 1357486, 1461908, 2714972, 4751201, 9502402, 19004804]

約数ペア:

[(1, 19004804), (2, 9502402), (4, 4751201), (7, 2714972), (13, 1461908), (14, 1357486), (26, 730954), (28, 678743), (52, 365477), (91, 208844), (109, 174356), (182, 104422), (218, 87178), (364, 52211), (436, 43589), (479, 39676), (763, 24908), (958, 19838), (1417, 13412), (1526, 12454), (1916, 9919), (2834, 6706), (3052, 6227), (3353, 5668)]