18863604

素因数分解:

$2^2\times 3^6\times {\mathrm{6469}}^1$

素因数の和:6491

約数の個数: 42

約数和(自身を含む): 49501970

約数和(自身を除く): 30638366

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 6469, 12938, 19407, 25876, 38814, 58221, 77628, 116442, 174663, 232884, 349326, 523989, 698652, 1047978, 1571967, 2095956, 3143934, 4715901, 6287868, 9431802, 18863604]

約数ペア:

[(1, 18863604), (2, 9431802), (3, 6287868), (4, 4715901), (6, 3143934), (9, 2095956), (12, 1571967), (18, 1047978), (27, 698652), (36, 523989), (54, 349326), (81, 232884), (108, 174663), (162, 116442), (243, 77628), (324, 58221), (486, 38814), (729, 25876), (972, 19407), (1458, 12938), (2916, 6469)]