18854150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{523}}^1$

素因数の和:645

約数の個数: 48

約数和(自身を含む): 40545024

約数和(自身を除く): 21690874

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 103, 175, 206, 350, 515, 523, 721, 1030, 1046, 1442, 2575, 2615, 3605, 3661, 5150, 5230, 7210, 7322, 13075, 18025, 18305, 26150, 36050, 36610, 53869, 91525, 107738, 183050, 269345, 377083, 538690, 754166, 1346725, 1885415, 2693450, 3770830, 9427075, 18854150]

約数ペア:

[(1, 18854150), (2, 9427075), (5, 3770830), (7, 2693450), (10, 1885415), (14, 1346725), (25, 754166), (35, 538690), (50, 377083), (70, 269345), (103, 183050), (175, 107738), (206, 91525), (350, 53869), (515, 36610), (523, 36050), (721, 26150), (1030, 18305), (1046, 18025), (1442, 13075), (2575, 7322), (2615, 7210), (3605, 5230), (3661, 5150)]