18255250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 37975392

約数和(自身を除く): 19720142

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 65, 82, 125, 130, 137, 205, 250, 274, 325, 410, 533, 650, 685, 1025, 1066, 1370, 1625, 1781, 2050, 2665, 3250, 3425, 3562, 5125, 5330, 5617, 6850, 8905, 10250, 11234, 13325, 17125, 17810, 26650, 28085, 34250, 44525, 56170, 66625, 73021, 89050, 133250, 140425, 146042, 222625, 280850, 365105, 445250, 702125, 730210, 1404250, 1825525, 3651050, 9127625, 18255250]

約数ペア:

[(1, 18255250), (2, 9127625), (5, 3651050), (10, 1825525), (13, 1404250), (25, 730210), (26, 702125), (41, 445250), (50, 365105), (65, 280850), (82, 222625), (125, 146042), (130, 140425), (137, 133250), (205, 89050), (250, 73021), (274, 66625), (325, 56170), (410, 44525), (533, 34250), (650, 28085), (685, 26650), (1025, 17810), (1066, 17125), (1370, 13325), (1625, 11234), (1781, 10250), (2050, 8905), (2665, 6850), (3250, 5617), (3425, 5330), (3562, 5125)]