18461275

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 27998208

約数和(自身を除く): 9536933

約数列:

[1, 5, 7, 25, 31, 35, 41, 83, 155, 175, 205, 217, 287, 415, 581, 775, 1025, 1085, 1271, 1435, 2075, 2573, 2905, 3403, 5425, 6355, 7175, 8897, 12865, 14525, 17015, 18011, 23821, 31775, 44485, 64325, 85075, 90055, 105493, 119105, 222425, 450275, 527465, 595525, 738451, 2637325, 3692255, 18461275]

約数ペア:

[(1, 18461275), (5, 3692255), (7, 2637325), (25, 738451), (31, 595525), (35, 527465), (41, 450275), (83, 222425), (155, 119105), (175, 105493), (205, 90055), (217, 85075), (287, 64325), (415, 44485), (581, 31775), (775, 23821), (1025, 18011), (1085, 17015), (1271, 14525), (1435, 12865), (2075, 8897), (2573, 7175), (2905, 6355), (3403, 5425)]