18117891

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1151}}^1$

素因数の和:1224

約数の個数: 32

約数和(自身を含む): 29859840

約数和(自身を除く): 11741949

約数列:

[1, 3, 9, 11, 27, 33, 53, 99, 159, 297, 477, 583, 1151, 1431, 1749, 3453, 5247, 10359, 12661, 15741, 31077, 37983, 61003, 113949, 183009, 341847, 549027, 671033, 1647081, 2013099, 6039297, 18117891]

約数ペア:

[(1, 18117891), (3, 6039297), (9, 2013099), (11, 1647081), (27, 671033), (33, 549027), (53, 341847), (99, 183009), (159, 113949), (297, 61003), (477, 37983), (583, 31077), (1151, 15741), (1431, 12661), (1749, 10359), (3453, 5247)]