18414880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10463}}^1$

素因数の和:10489

約数の個数: 48

約数和(自身を含む): 47464704

約数和(自身を除く): 29049824

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 10463, 20926, 41852, 52315, 83704, 104630, 115093, 167408, 209260, 230186, 334816, 418520, 460372, 575465, 837040, 920744, 1150930, 1674080, 1841488, 2301860, 3682976, 4603720, 9207440, 18414880]

約数ペア:

[(1, 18414880), (2, 9207440), (4, 4603720), (5, 3682976), (8, 2301860), (10, 1841488), (11, 1674080), (16, 1150930), (20, 920744), (22, 837040), (32, 575465), (40, 460372), (44, 418520), (55, 334816), (80, 230186), (88, 209260), (110, 167408), (160, 115093), (176, 104630), (220, 83704), (352, 52315), (440, 41852), (880, 20926), (1760, 10463)]