18500986

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{907}}^1$

素因数の和:994

約数の個数: 32

約数和(自身を含む): 33472512

約数和(自身を除く): 14971526

約数列:

[1, 2, 7, 14, 31, 47, 62, 94, 217, 329, 434, 658, 907, 1457, 1814, 2914, 6349, 10199, 12698, 20398, 28117, 42629, 56234, 85258, 196819, 298403, 393638, 596806, 1321499, 2642998, 9250493, 18500986]

約数ペア:

[(1, 18500986), (2, 9250493), (7, 2642998), (14, 1321499), (31, 596806), (47, 393638), (62, 298403), (94, 196819), (217, 85258), (329, 56234), (434, 42629), (658, 28117), (907, 20398), (1457, 12698), (1814, 10199), (2914, 6349)]