18404452

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 36900864

約数和(自身を除く): 18496412

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 103, 124, 131, 206, 262, 341, 412, 524, 682, 1133, 1364, 1441, 2266, 2882, 3193, 4061, 4532, 5764, 6386, 8122, 12772, 13493, 16244, 26986, 35123, 44671, 53972, 70246, 89342, 140492, 148423, 178684, 296846, 418283, 593692, 836566, 1673132, 4601113, 9202226, 18404452]

約数ペア:

[(1, 18404452), (2, 9202226), (4, 4601113), (11, 1673132), (22, 836566), (31, 593692), (44, 418283), (62, 296846), (103, 178684), (124, 148423), (131, 140492), (206, 89342), (262, 70246), (341, 53972), (412, 44671), (524, 35123), (682, 26986), (1133, 16244), (1364, 13493), (1441, 12772), (2266, 8122), (2882, 6386), (3193, 5764), (4061, 4532)]