18123390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2549}}^1$

素因数の和:2641

約数の個数: 48

約数和(自身を含む): 47736000

約数和(自身を除く): 29612610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 158, 237, 395, 474, 711, 790, 1185, 1422, 2370, 2549, 3555, 5098, 7110, 7647, 12745, 15294, 22941, 25490, 38235, 45882, 76470, 114705, 201371, 229410, 402742, 604113, 1006855, 1208226, 1812339, 2013710, 3020565, 3624678, 6041130, 9061695, 18123390]

約数ペア:

[(1, 18123390), (2, 9061695), (3, 6041130), (5, 3624678), (6, 3020565), (9, 2013710), (10, 1812339), (15, 1208226), (18, 1006855), (30, 604113), (45, 402742), (79, 229410), (90, 201371), (158, 114705), (237, 76470), (395, 45882), (474, 38235), (711, 25490), (790, 22941), (1185, 15294), (1422, 12745), (2370, 7647), (2549, 7110), (3555, 5098)]