19447350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9973}}^1$

素因数の和:10001

約数の個数: 48

約数和(自身を含む): 51944592

約数和(自身を除く): 32497242

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 9973, 19946, 29919, 49865, 59838, 99730, 129649, 149595, 249325, 259298, 299190, 388947, 498650, 648245, 747975, 777894, 1296490, 1495950, 1944735, 3241225, 3889470, 6482450, 9723675, 19447350]

約数ペア:

[(1, 19447350), (2, 9723675), (3, 6482450), (5, 3889470), (6, 3241225), (10, 1944735), (13, 1495950), (15, 1296490), (25, 777894), (26, 747975), (30, 648245), (39, 498650), (50, 388947), (65, 299190), (75, 259298), (78, 249325), (130, 149595), (150, 129649), (195, 99730), (325, 59838), (390, 49865), (650, 29919), (975, 19946), (1950, 9973)]