19348021

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 24820992

約数和(自身を除く): 5472971

約数列:

[1, 7, 11, 53, 77, 121, 371, 431, 583, 847, 3017, 4081, 4741, 6413, 22843, 33187, 44891, 52151, 159901, 251273, 365057, 1758911, 2764003, 19348021]

約数ペア:

[(1, 19348021), (7, 2764003), (11, 1758911), (53, 365057), (77, 251273), (121, 159901), (371, 52151), (431, 44891), (583, 33187), (847, 22843), (3017, 6413), (4081, 4741)]