18948795

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3911}}^1$

素因数の和:3955

約数の個数: 32

約数和(自身を含む): 33799680

約数和(自身を除く): 14850885

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 3911, 4845, 11733, 19555, 58665, 66487, 74309, 199461, 222927, 332435, 371545, 997305, 1114635, 1263253, 3789759, 6316265, 18948795]

約数ペア:

[(1, 18948795), (3, 6316265), (5, 3789759), (15, 1263253), (17, 1114635), (19, 997305), (51, 371545), (57, 332435), (85, 222927), (95, 199461), (255, 74309), (285, 66487), (323, 58665), (969, 19555), (1615, 11733), (3911, 4845)]