18690516

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{39937}}^1$

素因数の和:39960

約数の個数: 36

約数和(自身を含む): 50881012

約数和(自身を除く): 32190496

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 39937, 79874, 119811, 159748, 239622, 359433, 479244, 519181, 718866, 1038362, 1437732, 1557543, 2076724, 3115086, 4672629, 6230172, 9345258, 18690516]

約数ペア:

[(1, 18690516), (2, 9345258), (3, 6230172), (4, 4672629), (6, 3115086), (9, 2076724), (12, 1557543), (13, 1437732), (18, 1038362), (26, 718866), (36, 519181), (39, 479244), (52, 359433), (78, 239622), (117, 159748), (156, 119811), (234, 79874), (468, 39937)]