18145458

素因数分解:

$2^1\times 3^4\times {\mathrm{101}}^1\times {\mathrm{1109}}^1$

素因数の和:1224

約数の個数: 40

約数和(自身を含む): 41098860

約数和(自身を除く): 22953402

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 101, 162, 202, 303, 606, 909, 1109, 1818, 2218, 2727, 3327, 5454, 6654, 8181, 9981, 16362, 19962, 29943, 59886, 89829, 112009, 179658, 224018, 336027, 672054, 1008081, 2016162, 3024243, 6048486, 9072729, 18145458]

約数ペア:

[(1, 18145458), (2, 9072729), (3, 6048486), (6, 3024243), (9, 2016162), (18, 1008081), (27, 672054), (54, 336027), (81, 224018), (101, 179658), (162, 112009), (202, 89829), (303, 59886), (606, 29943), (909, 19962), (1109, 16362), (1818, 9981), (2218, 8181), (2727, 6654), (3327, 5454)]