18937008

素因数分解:

$2^4\times 3^2\times {\mathrm{131507}}^1$

素因数の和:131521

約数の個数: 30

約数和(自身を含む): 52997724

約数和(自身を除く): 34060716

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 131507, 263014, 394521, 526028, 789042, 1052056, 1183563, 1578084, 2104112, 2367126, 3156168, 4734252, 6312336, 9468504, 18937008]

約数ペア:

[(1, 18937008), (2, 9468504), (3, 6312336), (4, 4734252), (6, 3156168), (8, 2367126), (9, 2104112), (12, 1578084), (16, 1183563), (18, 1052056), (24, 789042), (36, 526028), (48, 394521), (72, 263014), (144, 131507)]