18738044

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{523}}^1$

素因数の和:606

約数の個数: 36

約数和(自身を含む): 36247176

約数和(自身を除く): 17509132

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 169, 212, 338, 523, 676, 689, 1046, 1378, 2092, 2756, 6799, 8957, 13598, 17914, 27196, 27719, 35828, 55438, 88387, 110876, 176774, 353548, 360347, 720694, 1441388, 4684511, 9369022, 18738044]

約数ペア:

[(1, 18738044), (2, 9369022), (4, 4684511), (13, 1441388), (26, 720694), (52, 360347), (53, 353548), (106, 176774), (169, 110876), (212, 88387), (338, 55438), (523, 35828), (676, 27719), (689, 27196), (1046, 17914), (1378, 13598), (2092, 8957), (2756, 6799)]