19451212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 20465588

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 53, 76, 106, 209, 212, 418, 439, 583, 836, 878, 1007, 1166, 1756, 2014, 2332, 4028, 4829, 8341, 9658, 11077, 16682, 19316, 22154, 23267, 33364, 44308, 46534, 91751, 93068, 183502, 255937, 367004, 442073, 511874, 884146, 1023748, 1768292, 4862803, 9725606, 19451212]

約数ペア:

[(1, 19451212), (2, 9725606), (4, 4862803), (11, 1768292), (19, 1023748), (22, 884146), (38, 511874), (44, 442073), (53, 367004), (76, 255937), (106, 183502), (209, 93068), (212, 91751), (418, 46534), (439, 44308), (583, 33364), (836, 23267), (878, 22154), (1007, 19316), (1166, 16682), (1756, 11077), (2014, 9658), (2332, 8341), (4028, 4829)]