19759446

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:586

約数の個数: 72

約数和(自身を含む): 51057864

約数和(自身を除く): 31298418

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 49, 63, 86, 98, 126, 129, 147, 258, 294, 301, 387, 441, 521, 602, 774, 882, 903, 1042, 1563, 1806, 2107, 2709, 3126, 3647, 4214, 4689, 5418, 6321, 7294, 9378, 10941, 12642, 18963, 21882, 22403, 25529, 32823, 37926, 44806, 51058, 65646, 67209, 76587, 134418, 153174, 156821, 201627, 229761, 313642, 403254, 459522, 470463, 940926, 1097747, 1411389, 2195494, 2822778, 3293241, 6586482, 9879723, 19759446]

約数ペア:

[(1, 19759446), (2, 9879723), (3, 6586482), (6, 3293241), (7, 2822778), (9, 2195494), (14, 1411389), (18, 1097747), (21, 940926), (42, 470463), (43, 459522), (49, 403254), (63, 313642), (86, 229761), (98, 201627), (126, 156821), (129, 153174), (147, 134418), (258, 76587), (294, 67209), (301, 65646), (387, 51058), (441, 44806), (521, 37926), (602, 32823), (774, 25529), (882, 22403), (903, 21882), (1042, 18963), (1563, 12642), (1806, 10941), (2107, 9378), (2709, 7294), (3126, 6321), (3647, 5418), (4214, 4689)]