19548850

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 38568960

約数和(自身を除く): 19020110

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 89, 115, 178, 191, 230, 382, 445, 575, 890, 955, 1150, 1910, 2047, 2225, 4094, 4393, 4450, 4775, 8786, 9550, 10235, 16999, 20470, 21965, 33998, 43930, 51175, 84995, 102350, 109825, 169990, 219650, 390977, 424975, 781954, 849950, 1954885, 3909770, 9774425, 19548850]

約数ペア:

[(1, 19548850), (2, 9774425), (5, 3909770), (10, 1954885), (23, 849950), (25, 781954), (46, 424975), (50, 390977), (89, 219650), (115, 169990), (178, 109825), (191, 102350), (230, 84995), (382, 51175), (445, 43930), (575, 33998), (890, 21965), (955, 20470), (1150, 16999), (1910, 10235), (2047, 9550), (2225, 8786), (4094, 4775), (4393, 4450)]