17993000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{947}}^1$

素因数の和:987

約数の個数: 64

約数和(自身を含む): 44366400

約数和(自身を除く): 26373400

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 760, 947, 950, 1000, 1894, 1900, 2375, 3788, 3800, 4735, 4750, 7576, 9470, 9500, 17993, 18940, 19000, 23675, 35986, 37880, 47350, 71972, 89965, 94700, 118375, 143944, 179930, 189400, 236750, 359860, 449825, 473500, 719720, 899650, 947000, 1799300, 2249125, 3598600, 4498250, 8996500, 17993000]

約数ペア:

[(1, 17993000), (2, 8996500), (4, 4498250), (5, 3598600), (8, 2249125), (10, 1799300), (19, 947000), (20, 899650), (25, 719720), (38, 473500), (40, 449825), (50, 359860), (76, 236750), (95, 189400), (100, 179930), (125, 143944), (152, 118375), (190, 94700), (200, 89965), (250, 71972), (380, 47350), (475, 37880), (500, 35986), (760, 23675), (947, 19000), (950, 18940), (1000, 17993), (1894, 9500), (1900, 9470), (2375, 7576), (3788, 4750), (3800, 4735)]