18836586

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 42996096

約数和(自身を除く): 24159510

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 173, 207, 263, 346, 414, 519, 526, 789, 1038, 1557, 1578, 2367, 3114, 3979, 4734, 6049, 7958, 11937, 12098, 18147, 23874, 35811, 36294, 45499, 54441, 71622, 90998, 108882, 136497, 272994, 409491, 818982, 1046477, 2092954, 3139431, 6278862, 9418293, 18836586]

約数ペア:

[(1, 18836586), (2, 9418293), (3, 6278862), (6, 3139431), (9, 2092954), (18, 1046477), (23, 818982), (46, 409491), (69, 272994), (138, 136497), (173, 108882), (207, 90998), (263, 71622), (346, 54441), (414, 45499), (519, 36294), (526, 35811), (789, 23874), (1038, 18147), (1557, 12098), (1578, 11937), (2367, 7958), (3114, 6049), (3979, 4734)]