19869450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{4273}}^1$

素因数の和:4319

約数の個数: 48

約数和(自身を含む): 50877696

約数和(自身を除く): 31008246

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 75, 93, 150, 155, 186, 310, 465, 775, 930, 1550, 2325, 4273, 4650, 8546, 12819, 21365, 25638, 42730, 64095, 106825, 128190, 132463, 213650, 264926, 320475, 397389, 640950, 662315, 794778, 1324630, 1986945, 3311575, 3973890, 6623150, 9934725, 19869450]

約数ペア:

[(1, 19869450), (2, 9934725), (3, 6623150), (5, 3973890), (6, 3311575), (10, 1986945), (15, 1324630), (25, 794778), (30, 662315), (31, 640950), (50, 397389), (62, 320475), (75, 264926), (93, 213650), (150, 132463), (155, 128190), (186, 106825), (310, 64095), (465, 42730), (775, 25638), (930, 21365), (1550, 12819), (2325, 8546), (4273, 4650)]