19738440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{54829}}^1$

素因数の和:54846

約数の個数: 48

約数和(自身を含む): 64151100

約数和(自身を除く): 44412660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 54829, 109658, 164487, 219316, 274145, 328974, 438632, 493461, 548290, 657948, 822435, 986922, 1096580, 1315896, 1644870, 1973844, 2193160, 2467305, 3289740, 3947688, 4934610, 6579480, 9869220, 19738440]

約数ペア:

[(1, 19738440), (2, 9869220), (3, 6579480), (4, 4934610), (5, 3947688), (6, 3289740), (8, 2467305), (9, 2193160), (10, 1973844), (12, 1644870), (15, 1315896), (18, 1096580), (20, 986922), (24, 822435), (30, 657948), (36, 548290), (40, 493461), (45, 438632), (60, 328974), (72, 274145), (90, 219316), (120, 164487), (180, 109658), (360, 54829)]