19937250

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{8861}}^1$

素因数の和:8884

約数の個数: 48

約数和(自身を含む): 53916408

約数和(自身を除く): 33979158

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 225, 250, 375, 450, 750, 1125, 2250, 8861, 17722, 26583, 44305, 53166, 79749, 88610, 132915, 159498, 221525, 265830, 398745, 443050, 664575, 797490, 1107625, 1329150, 1993725, 2215250, 3322875, 3987450, 6645750, 9968625, 19937250]

約数ペア:

[(1, 19937250), (2, 9968625), (3, 6645750), (5, 3987450), (6, 3322875), (9, 2215250), (10, 1993725), (15, 1329150), (18, 1107625), (25, 797490), (30, 664575), (45, 443050), (50, 398745), (75, 265830), (90, 221525), (125, 159498), (150, 132915), (225, 88610), (250, 79749), (375, 53166), (450, 44305), (750, 26583), (1125, 17722), (2250, 8861)]