18753475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3037}}^1$

素因数の和:3079

約数の個数: 24

約数和(自身を含む): 26369840

約数和(自身を除く): 7616365

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 3037, 6175, 15185, 39481, 57703, 75925, 197405, 288515, 750139, 987025, 1442575, 3750695, 18753475]

約数ペア:

[(1, 18753475), (5, 3750695), (13, 1442575), (19, 987025), (25, 750139), (65, 288515), (95, 197405), (247, 75925), (325, 57703), (475, 39481), (1235, 15185), (3037, 6175)]