18354910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{797}}^1$

素因数の和:865

約数の個数: 48

約数和(自身を含む): 39299904

約数和(自身を除く): 20944994

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 49, 70, 94, 98, 235, 245, 329, 470, 490, 658, 797, 1594, 1645, 2303, 3290, 3985, 4606, 5579, 7970, 11158, 11515, 23030, 27895, 37459, 39053, 55790, 74918, 78106, 187295, 195265, 262213, 374590, 390530, 524426, 1311065, 1835491, 2622130, 3670982, 9177455, 18354910]

約数ペア:

[(1, 18354910), (2, 9177455), (5, 3670982), (7, 2622130), (10, 1835491), (14, 1311065), (35, 524426), (47, 390530), (49, 374590), (70, 262213), (94, 195265), (98, 187295), (235, 78106), (245, 74918), (329, 55790), (470, 39053), (490, 37459), (658, 27895), (797, 23030), (1594, 11515), (1645, 11158), (2303, 7970), (3290, 5579), (3985, 4606)]