18839060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{827}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 42565824

約数和(自身を除く): 23726764

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 827, 1139, 1340, 1654, 2278, 3308, 4135, 4556, 5695, 8270, 11390, 14059, 16540, 22780, 28118, 55409, 56236, 70295, 110818, 140590, 221636, 277045, 281180, 554090, 941953, 1108180, 1883906, 3767812, 4709765, 9419530, 18839060]

約数ペア:

[(1, 18839060), (2, 9419530), (4, 4709765), (5, 3767812), (10, 1883906), (17, 1108180), (20, 941953), (34, 554090), (67, 281180), (68, 277045), (85, 221636), (134, 140590), (170, 110818), (268, 70295), (335, 56236), (340, 55409), (670, 28118), (827, 22780), (1139, 16540), (1340, 14059), (1654, 11390), (2278, 8270), (3308, 5695), (4135, 4556)]