18666452

素因数分解:

$2^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{727}}^1$

素因数の和:876

約数の個数: 36

約数和(自身を含む): 38342304

約数和(自身を除く): 19675852

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 131, 196, 262, 524, 727, 917, 1454, 1834, 2908, 3668, 5089, 6419, 10178, 12838, 20356, 25676, 35623, 71246, 95237, 142492, 190474, 380948, 666659, 1333318, 2666636, 4666613, 9333226, 18666452]

約数ペア:

[(1, 18666452), (2, 9333226), (4, 4666613), (7, 2666636), (14, 1333318), (28, 666659), (49, 380948), (98, 190474), (131, 142492), (196, 95237), (262, 71246), (524, 35623), (727, 25676), (917, 20356), (1454, 12838), (1834, 10178), (2908, 6419), (3668, 5089)]