19711494

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{881}}^1$

素因数の和:1013

約数の個数: 48

約数和(自身を含む): 47056464

約数和(自身を除く): 27344970

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 113, 198, 226, 339, 678, 881, 1017, 1243, 1762, 2034, 2486, 2643, 3729, 5286, 7458, 7929, 9691, 11187, 15858, 19382, 22374, 29073, 58146, 87219, 99553, 174438, 199106, 298659, 597318, 895977, 1095083, 1791954, 2190166, 3285249, 6570498, 9855747, 19711494]

約数ペア:

[(1, 19711494), (2, 9855747), (3, 6570498), (6, 3285249), (9, 2190166), (11, 1791954), (18, 1095083), (22, 895977), (33, 597318), (66, 298659), (99, 199106), (113, 174438), (198, 99553), (226, 87219), (339, 58146), (678, 29073), (881, 22374), (1017, 19382), (1243, 15858), (1762, 11187), (2034, 9691), (2486, 7929), (2643, 7458), (3729, 5286)]