19857918

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{443}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 41260032

約数和(自身を除く): 21402114

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 241, 443, 482, 723, 886, 1329, 1446, 2658, 7471, 13733, 14942, 22413, 27466, 41199, 44826, 82398, 106763, 213526, 320289, 640578, 3309653, 6619306, 9928959, 19857918]

約数ペア:

[(1, 19857918), (2, 9928959), (3, 6619306), (6, 3309653), (31, 640578), (62, 320289), (93, 213526), (186, 106763), (241, 82398), (443, 44826), (482, 41199), (723, 27466), (886, 22413), (1329, 14942), (1446, 13733), (2658, 7471)]