19936500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13291}}^1$

素因数の和:13313

約数の個数: 48

約数和(自身を含む): 58059456

約数和(自身を除く): 38122956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 750, 1500, 13291, 26582, 39873, 53164, 66455, 79746, 132910, 159492, 199365, 265820, 332275, 398730, 664550, 797460, 996825, 1329100, 1661375, 1993650, 3322750, 3987300, 4984125, 6645500, 9968250, 19936500]

約数ペア:

[(1, 19936500), (2, 9968250), (3, 6645500), (4, 4984125), (5, 3987300), (6, 3322750), (10, 1993650), (12, 1661375), (15, 1329100), (20, 996825), (25, 797460), (30, 664550), (50, 398730), (60, 332275), (75, 265820), (100, 199365), (125, 159492), (150, 132910), (250, 79746), (300, 66455), (375, 53164), (500, 39873), (750, 26582), (1500, 13291)]