19468672

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 42962400

約数和(自身を除く): 23493728

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 64, 68, 92, 128, 136, 184, 272, 368, 389, 391, 544, 736, 778, 782, 1088, 1472, 1556, 1564, 2176, 2944, 3112, 3128, 6224, 6256, 6613, 8947, 12448, 12512, 13226, 17894, 24896, 25024, 26452, 35788, 49792, 50048, 52904, 71576, 105808, 143152, 152099, 211616, 286304, 304198, 423232, 572608, 608396, 846464, 1145216, 1216792, 2433584, 4867168, 9734336, 19468672]

約数ペア:

[(1, 19468672), (2, 9734336), (4, 4867168), (8, 2433584), (16, 1216792), (17, 1145216), (23, 846464), (32, 608396), (34, 572608), (46, 423232), (64, 304198), (68, 286304), (92, 211616), (128, 152099), (136, 143152), (184, 105808), (272, 71576), (368, 52904), (389, 50048), (391, 49792), (544, 35788), (736, 26452), (778, 25024), (782, 24896), (1088, 17894), (1472, 13226), (1556, 12512), (1564, 12448), (2176, 8947), (2944, 6613), (3112, 6256), (3128, 6224)]