18305235

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 35970480

約数和(自身を除く): 17665245

約数列:

[1, 3, 5, 9, 13, 15, 29, 39, 45, 65, 83, 87, 117, 145, 169, 195, 249, 261, 377, 415, 435, 507, 585, 747, 845, 1079, 1131, 1245, 1305, 1521, 1885, 2407, 2535, 3237, 3393, 3735, 4901, 5395, 5655, 7221, 7605, 9711, 12035, 14027, 14703, 16185, 16965, 21663, 24505, 31291, 36105, 42081, 44109, 48555, 70135, 73515, 93873, 108315, 126243, 156455, 210405, 220545, 281619, 406783, 469365, 631215, 1220349, 1408095, 2033915, 3661047, 6101745, 18305235]

約数ペア:

[(1, 18305235), (3, 6101745), (5, 3661047), (9, 2033915), (13, 1408095), (15, 1220349), (29, 631215), (39, 469365), (45, 406783), (65, 281619), (83, 220545), (87, 210405), (117, 156455), (145, 126243), (169, 108315), (195, 93873), (249, 73515), (261, 70135), (377, 48555), (415, 44109), (435, 42081), (507, 36105), (585, 31291), (747, 24505), (845, 21663), (1079, 16965), (1131, 16185), (1245, 14703), (1305, 14027), (1521, 12035), (1885, 9711), (2407, 7605), (2535, 7221), (3237, 5655), (3393, 5395), (3735, 4901)]