18043696

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{653}}^1$

素因数の和:829

約数の個数: 40

約数和(自身を含む): 38439504

約数和(自身を除く): 20395808

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 157, 176, 314, 628, 653, 1256, 1306, 1727, 2512, 2612, 3454, 5224, 6908, 7183, 10448, 13816, 14366, 27632, 28732, 57464, 102521, 114928, 205042, 410084, 820168, 1127731, 1640336, 2255462, 4510924, 9021848, 18043696]

約数ペア:

[(1, 18043696), (2, 9021848), (4, 4510924), (8, 2255462), (11, 1640336), (16, 1127731), (22, 820168), (44, 410084), (88, 205042), (157, 114928), (176, 102521), (314, 57464), (628, 28732), (653, 27632), (1256, 14366), (1306, 13816), (1727, 10448), (2512, 7183), (2612, 6908), (3454, 5224)]