19481644

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 44271360

約数和(自身を除く): 24789716

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 52, 91, 92, 161, 169, 179, 182, 299, 322, 338, 358, 364, 598, 644, 676, 716, 1183, 1196, 1253, 2093, 2327, 2366, 2506, 3887, 4117, 4186, 4654, 4732, 5012, 7774, 8234, 8372, 9308, 15548, 16289, 16468, 27209, 28819, 30251, 32578, 53521, 54418, 57638, 60502, 65156, 107042, 108836, 115276, 121004, 211757, 214084, 374647, 423514, 695773, 749294, 847028, 1391546, 1498588, 2783092, 4870411, 9740822, 19481644]

約数ペア:

[(1, 19481644), (2, 9740822), (4, 4870411), (7, 2783092), (13, 1498588), (14, 1391546), (23, 847028), (26, 749294), (28, 695773), (46, 423514), (52, 374647), (91, 214084), (92, 211757), (161, 121004), (169, 115276), (179, 108836), (182, 107042), (299, 65156), (322, 60502), (338, 57638), (358, 54418), (364, 53521), (598, 32578), (644, 30251), (676, 28819), (716, 27209), (1183, 16468), (1196, 16289), (1253, 15548), (2093, 9308), (2327, 8372), (2366, 8234), (2506, 7774), (3887, 5012), (4117, 4732), (4186, 4654)]