18204780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27583}}^1$

素因数の和:27606

約数の個数: 48

約数和(自身を含む): 55609344

約数和(自身を除く): 37404564

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 27583, 55166, 82749, 110332, 137915, 165498, 275830, 303413, 330996, 413745, 551660, 606826, 827490, 910239, 1213652, 1517065, 1654980, 1820478, 3034130, 3640956, 4551195, 6068260, 9102390, 18204780]

約数ペア:

[(1, 18204780), (2, 9102390), (3, 6068260), (4, 4551195), (5, 3640956), (6, 3034130), (10, 1820478), (11, 1654980), (12, 1517065), (15, 1213652), (20, 910239), (22, 827490), (30, 606826), (33, 551660), (44, 413745), (55, 330996), (60, 303413), (66, 275830), (110, 165498), (132, 137915), (165, 110332), (220, 82749), (330, 55166), (660, 27583)]