19285905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1427}}^1$

素因数の和:1505

約数の個数: 32

約数和(自身を含む): 33312384

約数和(自身を除く): 14026479

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 159, 255, 265, 795, 901, 1427, 2703, 4281, 4505, 7135, 13515, 21405, 24259, 72777, 75631, 121295, 226893, 363885, 378155, 1134465, 1285727, 3857181, 6428635, 19285905]

約数ペア:

[(1, 19285905), (3, 6428635), (5, 3857181), (15, 1285727), (17, 1134465), (51, 378155), (53, 363885), (85, 226893), (159, 121295), (255, 75631), (265, 72777), (795, 24259), (901, 21405), (1427, 13515), (2703, 7135), (4281, 4505)]