18974295

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1459}}^1$

素因数の和:1504

約数の個数: 36

約数和(自身を含む): 34961160

約数和(自身を除く): 15986865

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 289, 765, 867, 1445, 1459, 2601, 4335, 4377, 7295, 13005, 13131, 21885, 24803, 65655, 74409, 124015, 223227, 372045, 421651, 1116135, 1264953, 2108255, 3794859, 6324765, 18974295]

約数ペア:

[(1, 18974295), (3, 6324765), (5, 3794859), (9, 2108255), (15, 1264953), (17, 1116135), (45, 421651), (51, 372045), (85, 223227), (153, 124015), (255, 74409), (289, 65655), (765, 24803), (867, 21885), (1445, 13131), (1459, 13005), (2601, 7295), (4335, 4377)]