19406655

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4957}}^1$

素因数の和:5000

約数の個数: 32

約数和(自身を含む): 35697600

約数和(自身を除く): 16290945

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 4957, 14871, 24785, 44613, 74355, 133839, 143753, 223065, 431259, 669195, 718765, 1293777, 2156295, 3881331, 6468885, 19406655]

約数ペア:

[(1, 19406655), (3, 6468885), (5, 3881331), (9, 2156295), (15, 1293777), (27, 718765), (29, 669195), (45, 431259), (87, 223065), (135, 143753), (145, 133839), (261, 74355), (435, 44613), (783, 24785), (1305, 14871), (3915, 4957)]