18694000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{719}}^1$

素因数の和:755

約数の個数: 80

約数和(自身を含む): 48746880

約数和(自身を除く): 30052880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 325, 400, 500, 520, 650, 719, 1000, 1040, 1300, 1438, 1625, 2000, 2600, 2876, 3250, 3595, 5200, 5752, 6500, 7190, 9347, 11504, 13000, 14380, 17975, 18694, 26000, 28760, 35950, 37388, 46735, 57520, 71900, 74776, 89875, 93470, 143800, 149552, 179750, 186940, 233675, 287600, 359500, 373880, 467350, 719000, 747760, 934700, 1168375, 1438000, 1869400, 2336750, 3738800, 4673500, 9347000, 18694000]

約数ペア:

[(1, 18694000), (2, 9347000), (4, 4673500), (5, 3738800), (8, 2336750), (10, 1869400), (13, 1438000), (16, 1168375), (20, 934700), (25, 747760), (26, 719000), (40, 467350), (50, 373880), (52, 359500), (65, 287600), (80, 233675), (100, 186940), (104, 179750), (125, 149552), (130, 143800), (200, 93470), (208, 89875), (250, 74776), (260, 71900), (325, 57520), (400, 46735), (500, 37388), (520, 35950), (650, 28760), (719, 26000), (1000, 18694), (1040, 17975), (1300, 14380), (1438, 13000), (1625, 11504), (2000, 9347), (2600, 7190), (2876, 6500), (3250, 5752), (3595, 5200)]