18957172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 37537920

約数和(自身を除く): 18580748

約数列:

[1, 2, 4, 13, 26, 37, 52, 59, 74, 118, 148, 167, 236, 334, 481, 668, 767, 962, 1534, 1924, 2171, 2183, 3068, 4342, 4366, 6179, 8684, 8732, 9853, 12358, 19706, 24716, 28379, 39412, 56758, 80327, 113516, 128089, 160654, 256178, 321308, 364561, 512356, 729122, 1458244, 4739293, 9478586, 18957172]

約数ペア:

[(1, 18957172), (2, 9478586), (4, 4739293), (13, 1458244), (26, 729122), (37, 512356), (52, 364561), (59, 321308), (74, 256178), (118, 160654), (148, 128089), (167, 113516), (236, 80327), (334, 56758), (481, 39412), (668, 28379), (767, 24716), (962, 19706), (1534, 12358), (1924, 9853), (2171, 8732), (2183, 8684), (3068, 6179), (4342, 4366)]