18666972

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{12647}}^1$

素因数の和:12698

約数の個数: 36

約数和(自身を含む): 48340656

約数和(自身を除く): 29673684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 1476, 12647, 25294, 37941, 50588, 75882, 113823, 151764, 227646, 455292, 518527, 1037054, 1555581, 2074108, 3111162, 4666743, 6222324, 9333486, 18666972]

約数ペア:

[(1, 18666972), (2, 9333486), (3, 6222324), (4, 4666743), (6, 3111162), (9, 2074108), (12, 1555581), (18, 1037054), (36, 518527), (41, 455292), (82, 227646), (123, 151764), (164, 113823), (246, 75882), (369, 50588), (492, 37941), (738, 25294), (1476, 12647)]