18154810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{397}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 34817040

約数和(自身を除く): 16662230

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 269, 397, 538, 794, 1345, 1985, 2690, 3970, 4573, 6749, 9146, 13498, 22865, 33745, 45730, 67490, 106793, 213586, 533965, 1067930, 1815481, 3630962, 9077405, 18154810]

約数ペア:

[(1, 18154810), (2, 9077405), (5, 3630962), (10, 1815481), (17, 1067930), (34, 533965), (85, 213586), (170, 106793), (269, 67490), (397, 45730), (538, 33745), (794, 22865), (1345, 13498), (1985, 9146), (2690, 6749), (3970, 4573)]