18067060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2003}}^1$

素因数の和:2064

約数の個数: 48

約数和(自身を含む): 42420672

約数和(自身を除く): 24353612

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2003, 2255, 4006, 4510, 8012, 9020, 10015, 20030, 22033, 40060, 44066, 82123, 88132, 110165, 164246, 220330, 328492, 410615, 440660, 821230, 903353, 1642460, 1806706, 3613412, 4516765, 9033530, 18067060]

約数ペア:

[(1, 18067060), (2, 9033530), (4, 4516765), (5, 3613412), (10, 1806706), (11, 1642460), (20, 903353), (22, 821230), (41, 440660), (44, 410615), (55, 328492), (82, 220330), (110, 164246), (164, 110165), (205, 88132), (220, 82123), (410, 44066), (451, 40060), (820, 22033), (902, 20030), (1804, 10015), (2003, 9020), (2255, 8012), (4006, 4510)]