18907210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8713}}^1$

素因数の和:8758

約数の個数: 32

約数和(自身を含む): 40154112

約数和(自身を除く): 21246902

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 8713, 17426, 43565, 60991, 87130, 121982, 270103, 304955, 540206, 609910, 1350515, 1890721, 2701030, 3781442, 9453605, 18907210]

約数ペア:

[(1, 18907210), (2, 9453605), (5, 3781442), (7, 2701030), (10, 1890721), (14, 1350515), (31, 609910), (35, 540206), (62, 304955), (70, 270103), (155, 121982), (217, 87130), (310, 60991), (434, 43565), (1085, 17426), (2170, 8713)]