19935058

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1621}}^1$

素因数の和:1690

約数の個数: 32

約数和(自身を含む): 35969472

約数和(自身を除く): 16034414

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 143, 286, 473, 559, 946, 1118, 1621, 3242, 6149, 12298, 17831, 21073, 35662, 42146, 69703, 139406, 231803, 463606, 766733, 906139, 1533466, 1812278, 9967529, 19935058]

約数ペア:

[(1, 19935058), (2, 9967529), (11, 1812278), (13, 1533466), (22, 906139), (26, 766733), (43, 463606), (86, 231803), (143, 139406), (286, 69703), (473, 42146), (559, 35662), (946, 21073), (1118, 17831), (1621, 12298), (3242, 6149)]