18898140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{10861}}^1$

素因数の和:10902

約数の個数: 48

約数和(自身を含む): 54744480

約数和(自身を除く): 35846340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 10861, 21722, 32583, 43444, 54305, 65166, 108610, 130332, 162915, 217220, 314969, 325830, 629938, 651660, 944907, 1259876, 1574845, 1889814, 3149690, 3779628, 4724535, 6299380, 9449070, 18898140]

約数ペア:

[(1, 18898140), (2, 9449070), (3, 6299380), (4, 4724535), (5, 3779628), (6, 3149690), (10, 1889814), (12, 1574845), (15, 1259876), (20, 944907), (29, 651660), (30, 629938), (58, 325830), (60, 314969), (87, 217220), (116, 162915), (145, 130332), (174, 108610), (290, 65166), (348, 54305), (435, 43444), (580, 32583), (870, 21722), (1740, 10861)]