17918394

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:503

約数の個数: 48

約数和(自身を含む): 39844224

約数和(自身を除く): 21925830

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 169, 246, 338, 431, 507, 533, 862, 1014, 1066, 1293, 1599, 2586, 3198, 5603, 6929, 11206, 13858, 16809, 17671, 20787, 33618, 35342, 41574, 53013, 72839, 106026, 145678, 218517, 229723, 437034, 459446, 689169, 1378338, 2986399, 5972798, 8959197, 17918394]

約数ペア:

[(1, 17918394), (2, 8959197), (3, 5972798), (6, 2986399), (13, 1378338), (26, 689169), (39, 459446), (41, 437034), (78, 229723), (82, 218517), (123, 145678), (169, 106026), (246, 72839), (338, 53013), (431, 41574), (507, 35342), (533, 33618), (862, 20787), (1014, 17671), (1066, 16809), (1293, 13858), (1599, 11206), (2586, 6929), (3198, 5603)]