18950358

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1499}}^1$

素因数の和:1561

約数の個数: 48

約数和(自身を含む): 45144000

約数和(自身を除く): 26193642

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 86, 98, 129, 147, 258, 294, 301, 602, 903, 1499, 1806, 2107, 2998, 4214, 4497, 6321, 8994, 10493, 12642, 20986, 31479, 62958, 64457, 73451, 128914, 146902, 193371, 220353, 386742, 440706, 451199, 902398, 1353597, 2707194, 3158393, 6316786, 9475179, 18950358]

約数ペア:

[(1, 18950358), (2, 9475179), (3, 6316786), (6, 3158393), (7, 2707194), (14, 1353597), (21, 902398), (42, 451199), (43, 440706), (49, 386742), (86, 220353), (98, 193371), (129, 146902), (147, 128914), (258, 73451), (294, 64457), (301, 62958), (602, 31479), (903, 20986), (1499, 12642), (1806, 10493), (2107, 8994), (2998, 6321), (4214, 4497)]