18808506

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{911}}^1$

素因数の和:987

約数の個数: 48

約数和(自身を含む): 43250688

約数和(自身を除く): 24442182

約数列:

[1, 2, 3, 6, 9, 18, 31, 37, 62, 74, 93, 111, 186, 222, 279, 333, 558, 666, 911, 1147, 1822, 2294, 2733, 3441, 5466, 6882, 8199, 10323, 16398, 20646, 28241, 33707, 56482, 67414, 84723, 101121, 169446, 202242, 254169, 303363, 508338, 606726, 1044917, 2089834, 3134751, 6269502, 9404253, 18808506]

約数ペア:

[(1, 18808506), (2, 9404253), (3, 6269502), (6, 3134751), (9, 2089834), (18, 1044917), (31, 606726), (37, 508338), (62, 303363), (74, 254169), (93, 202242), (111, 169446), (186, 101121), (222, 84723), (279, 67414), (333, 56482), (558, 33707), (666, 28241), (911, 20646), (1147, 16398), (1822, 10323), (2294, 8199), (2733, 6882), (3441, 5466)]