1919980

素因数分解:

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

素因数の和:5673

約数の個数: 24

約数和(自身を含む): 4269888

約数和(自身を除く): 2349908

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 5647, 11294, 22588, 28235, 56470, 95999, 112940, 191998, 383996, 479995, 959990, 1919980]

約数ペア:

[(1, 1919980), (2, 959990), (4, 479995), (5, 383996), (10, 191998), (17, 112940), (20, 95999), (34, 56470), (68, 28235), (85, 22588), (170, 11294), (340, 5647)]