19959426

素因数分解:

$2^1\times 3^3\times {\mathrm{109}}^1\times {\mathrm{3391}}^1$

素因数の和:3511

約数の個数: 32

約数和(自身を含む): 44774400

約数和(自身を除く): 24814974

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 109, 218, 327, 654, 981, 1962, 2943, 3391, 5886, 6782, 10173, 20346, 30519, 61038, 91557, 183114, 369619, 739238, 1108857, 2217714, 3326571, 6653142, 9979713, 19959426]

約数ペア:

[(1, 19959426), (2, 9979713), (3, 6653142), (6, 3326571), (9, 2217714), (18, 1108857), (27, 739238), (54, 369619), (109, 183114), (218, 91557), (327, 61038), (654, 30519), (981, 20346), (1962, 10173), (2943, 6782), (3391, 5886)]