19996245874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{418279}}^1$

素因数の和:418386

約数の個数: 32

約数和(自身を含む): 34151725440

約数和(自身を除く): 14155479566

約数列:

[1, 2, 11, 22, 41, 53, 82, 106, 451, 583, 902, 1166, 2173, 4346, 23903, 47806, 418279, 836558, 4601069, 9202138, 17149439, 22168787, 34298878, 44337574, 188643829, 243856657, 377287658, 487713314, 908920267, 1817840534, 9998122937, 19996245874]

約数ペア:

[(1, 19996245874), (2, 9998122937), (11, 1817840534), (22, 908920267), (41, 487713314), (53, 377287658), (82, 243856657), (106, 188643829), (451, 44337574), (583, 34298878), (902, 22168787), (1166, 17149439), (2173, 9202138), (4346, 4601069), (23903, 836558), (47806, 418279)]