19731500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:136

約数の個数: 96

約数和(自身を含む): 47523840

約数和(自身を除く): 27792340

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 67, 76, 95, 100, 124, 125, 134, 155, 190, 250, 268, 310, 335, 380, 475, 500, 589, 620, 670, 775, 950, 1178, 1273, 1340, 1550, 1675, 1900, 2077, 2356, 2375, 2546, 2945, 3100, 3350, 3875, 4154, 4750, 5092, 5890, 6365, 6700, 7750, 8308, 8375, 9500, 10385, 11780, 12730, 14725, 15500, 16750, 20770, 25460, 29450, 31825, 33500, 39463, 41540, 51925, 58900, 63650, 73625, 78926, 103850, 127300, 147250, 157852, 159125, 197315, 207700, 259625, 294500, 318250, 394630, 519250, 636500, 789260, 986575, 1038500, 1973150, 3946300, 4932875, 9865750, 19731500]

約数ペア:

[(1, 19731500), (2, 9865750), (4, 4932875), (5, 3946300), (10, 1973150), (19, 1038500), (20, 986575), (25, 789260), (31, 636500), (38, 519250), (50, 394630), (62, 318250), (67, 294500), (76, 259625), (95, 207700), (100, 197315), (124, 159125), (125, 157852), (134, 147250), (155, 127300), (190, 103850), (250, 78926), (268, 73625), (310, 63650), (335, 58900), (380, 51925), (475, 41540), (500, 39463), (589, 33500), (620, 31825), (670, 29450), (775, 25460), (950, 20770), (1178, 16750), (1273, 15500), (1340, 14725), (1550, 12730), (1675, 11780), (1900, 10385), (2077, 9500), (2356, 8375), (2375, 8308), (2546, 7750), (2945, 6700), (3100, 6365), (3350, 5890), (3875, 5092), (4154, 4750)]