18534825

素因数分解:

$3^8\times 5^2\times {\mathrm{113}}^1$

素因数の和:147

約数の個数: 54

約数和(自身を含む): 34778094

約数和(自身を除く): 16243269

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 113, 135, 225, 243, 339, 405, 565, 675, 729, 1017, 1215, 1695, 2025, 2187, 2825, 3051, 3645, 5085, 6075, 6561, 8475, 9153, 10935, 15255, 18225, 25425, 27459, 32805, 45765, 54675, 76275, 82377, 137295, 164025, 228825, 247131, 411885, 686475, 741393, 1235655, 2059425, 3706965, 6178275, 18534825]

約数ペア:

[(1, 18534825), (3, 6178275), (5, 3706965), (9, 2059425), (15, 1235655), (25, 741393), (27, 686475), (45, 411885), (75, 247131), (81, 228825), (113, 164025), (135, 137295), (225, 82377), (243, 76275), (339, 54675), (405, 45765), (565, 32805), (675, 27459), (729, 25425), (1017, 18225), (1215, 15255), (1695, 10935), (2025, 9153), (2187, 8475), (2825, 6561), (3051, 6075), (3645, 5085)]