19097680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{509}}^1$

素因数の和:596

約数の個数: 80

約数和(自身を含む): 51603840

約数和(自身を除く): 32506160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 80, 112, 134, 140, 268, 280, 335, 469, 509, 536, 560, 670, 938, 1018, 1072, 1340, 1876, 2036, 2345, 2545, 2680, 3563, 3752, 4072, 4690, 5090, 5360, 7126, 7504, 8144, 9380, 10180, 14252, 17815, 18760, 20360, 28504, 34103, 35630, 37520, 40720, 57008, 68206, 71260, 136412, 142520, 170515, 238721, 272824, 285040, 341030, 477442, 545648, 682060, 954884, 1193605, 1364120, 1909768, 2387210, 2728240, 3819536, 4774420, 9548840, 19097680]

約数ペア:

[(1, 19097680), (2, 9548840), (4, 4774420), (5, 3819536), (7, 2728240), (8, 2387210), (10, 1909768), (14, 1364120), (16, 1193605), (20, 954884), (28, 682060), (35, 545648), (40, 477442), (56, 341030), (67, 285040), (70, 272824), (80, 238721), (112, 170515), (134, 142520), (140, 136412), (268, 71260), (280, 68206), (335, 57008), (469, 40720), (509, 37520), (536, 35630), (560, 34103), (670, 28504), (938, 20360), (1018, 18760), (1072, 17815), (1340, 14252), (1876, 10180), (2036, 9380), (2345, 8144), (2545, 7504), (2680, 7126), (3563, 5360), (3752, 5090), (4072, 4690)]