19739340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109663}}^1$

素因数の和:109678

約数の個数: 36

約数和(自身を含む): 59876544

約数和(自身を除く): 40137204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 109663, 219326, 328989, 438652, 548315, 657978, 986967, 1096630, 1315956, 1644945, 1973934, 2193260, 3289890, 3947868, 4934835, 6579780, 9869670, 19739340]

約数ペア:

[(1, 19739340), (2, 9869670), (3, 6579780), (4, 4934835), (5, 3947868), (6, 3289890), (9, 2193260), (10, 1973934), (12, 1644945), (15, 1315956), (18, 1096630), (20, 986967), (30, 657978), (36, 548315), (45, 438652), (60, 328989), (90, 219326), (180, 109663)]