18377865

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 35133696

約数和(自身を除く): 16755831

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 137, 165, 271, 411, 495, 685, 813, 1233, 1355, 1507, 2055, 2439, 2981, 4065, 4521, 6165, 7535, 8943, 12195, 13563, 14905, 22605, 26829, 37127, 44715, 67815, 111381, 134145, 185635, 334143, 408397, 556905, 1225191, 1670715, 2041985, 3675573, 6125955, 18377865]

約数ペア:

[(1, 18377865), (3, 6125955), (5, 3675573), (9, 2041985), (11, 1670715), (15, 1225191), (33, 556905), (45, 408397), (55, 334143), (99, 185635), (137, 134145), (165, 111381), (271, 67815), (411, 44715), (495, 37127), (685, 26829), (813, 22605), (1233, 14905), (1355, 13563), (1507, 12195), (2055, 8943), (2439, 7535), (2981, 6165), (4065, 4521)]