19288950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{5591}}^1$

素因数の和:5629

約数の個数: 48

約数和(自身を含む): 49925376

約数和(自身を除く): 30636426

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 138, 150, 230, 345, 575, 690, 1150, 1725, 3450, 5591, 11182, 16773, 27955, 33546, 55910, 83865, 128593, 139775, 167730, 257186, 279550, 385779, 419325, 642965, 771558, 838650, 1285930, 1928895, 3214825, 3857790, 6429650, 9644475, 19288950]

約数ペア:

[(1, 19288950), (2, 9644475), (3, 6429650), (5, 3857790), (6, 3214825), (10, 1928895), (15, 1285930), (23, 838650), (25, 771558), (30, 642965), (46, 419325), (50, 385779), (69, 279550), (75, 257186), (115, 167730), (138, 139775), (150, 128593), (230, 83865), (345, 55910), (575, 33546), (690, 27955), (1150, 16773), (1725, 11182), (3450, 5591)]