18618622

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 31764960

約数和(自身を除く): 13146338

約数列:

[1, 2, 11, 22, 37, 74, 89, 178, 257, 407, 514, 814, 979, 1958, 2827, 3293, 5654, 6586, 9509, 19018, 22873, 36223, 45746, 72446, 104599, 209198, 251603, 503206, 846301, 1692602, 9309311, 18618622]

約数ペア:

[(1, 18618622), (2, 9309311), (11, 1692602), (22, 846301), (37, 503206), (74, 251603), (89, 209198), (178, 104599), (257, 72446), (407, 45746), (514, 36223), (814, 22873), (979, 19018), (1958, 9509), (2827, 6586), (3293, 5654)]