18433665

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 33359040

約数和(自身を除く): 14925375

約数列:

[1, 3, 5, 9, 15, 45, 53, 59, 131, 159, 177, 265, 295, 393, 477, 531, 655, 795, 885, 1179, 1965, 2385, 2655, 3127, 5895, 6943, 7729, 9381, 15635, 20829, 23187, 28143, 34715, 38645, 46905, 62487, 69561, 104145, 115935, 140715, 312435, 347805, 409637, 1228911, 2048185, 3686733, 6144555, 18433665]

約数ペア:

[(1, 18433665), (3, 6144555), (5, 3686733), (9, 2048185), (15, 1228911), (45, 409637), (53, 347805), (59, 312435), (131, 140715), (159, 115935), (177, 104145), (265, 69561), (295, 62487), (393, 46905), (477, 38645), (531, 34715), (655, 28143), (795, 23187), (885, 20829), (1179, 15635), (1965, 9381), (2385, 7729), (2655, 6943), (3127, 5895)]