18141675

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 32736000

約数和(自身を除く): 14594325

約数列:

[1, 3, 5, 15, 19, 25, 29, 57, 75, 87, 95, 145, 285, 435, 439, 475, 551, 725, 1317, 1425, 1653, 2175, 2195, 2755, 6585, 8265, 8341, 10975, 12731, 13775, 25023, 32925, 38193, 41325, 41705, 63655, 125115, 190965, 208525, 241889, 318275, 625575, 725667, 954825, 1209445, 3628335, 6047225, 18141675]

約数ペア:

[(1, 18141675), (3, 6047225), (5, 3628335), (15, 1209445), (19, 954825), (25, 725667), (29, 625575), (57, 318275), (75, 241889), (87, 208525), (95, 190965), (145, 125115), (285, 63655), (435, 41705), (439, 41325), (475, 38193), (551, 32925), (725, 25023), (1317, 13775), (1425, 12731), (1653, 10975), (2175, 8341), (2195, 8265), (2755, 6585)]