19929468

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2971}}^1$

素因数の和:3034

約数の個数: 48

約数和(自身を含む): 51261056

約数和(自身を除く): 31331588

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 516, 559, 1118, 1677, 2236, 2971, 3354, 5942, 6708, 8913, 11884, 17826, 35652, 38623, 77246, 115869, 127753, 154492, 231738, 255506, 383259, 463476, 511012, 766518, 1533036, 1660789, 3321578, 4982367, 6643156, 9964734, 19929468]

約数ペア:

[(1, 19929468), (2, 9964734), (3, 6643156), (4, 4982367), (6, 3321578), (12, 1660789), (13, 1533036), (26, 766518), (39, 511012), (43, 463476), (52, 383259), (78, 255506), (86, 231738), (129, 154492), (156, 127753), (172, 115869), (258, 77246), (516, 38623), (559, 35652), (1118, 17826), (1677, 11884), (2236, 8913), (2971, 6708), (3354, 5942)]