19199800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{5647}}^1$

素因数の和:5680

約数の個数: 48

約数和(自身を含む): 47273760

約数和(自身を除く): 28073960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 5647, 11294, 22588, 28235, 45176, 56470, 95999, 112940, 141175, 191998, 225880, 282350, 383996, 479995, 564700, 767992, 959990, 1129400, 1919980, 2399975, 3839960, 4799950, 9599900, 19199800]

約数ペア:

[(1, 19199800), (2, 9599900), (4, 4799950), (5, 3839960), (8, 2399975), (10, 1919980), (17, 1129400), (20, 959990), (25, 767992), (34, 564700), (40, 479995), (50, 383996), (68, 282350), (85, 225880), (100, 191998), (136, 141175), (170, 112940), (200, 95999), (340, 56470), (425, 45176), (680, 28235), (850, 22588), (1700, 11294), (3400, 5647)]