18894063027

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{30727}}^1$

素因数の和:30880

約数の個数: 48

約数和(自身を含む): 30265850880

約数和(自身を除く): 11371787853

約数列:

[1, 3, 7, 21, 47, 49, 89, 141, 147, 267, 329, 623, 987, 1869, 2303, 4183, 4361, 6909, 12549, 13083, 29281, 30727, 87843, 92181, 204967, 215089, 614901, 645267, 1444169, 1505623, 2734703, 4332507, 4516869, 8204109, 10109183, 19142921, 30327549, 57428763, 70764281, 128531041, 134000447, 212292843, 385593123, 402001341, 899717287, 2699151861, 6298021009, 18894063027]

約数ペア:

[(1, 18894063027), (3, 6298021009), (7, 2699151861), (21, 899717287), (47, 402001341), (49, 385593123), (89, 212292843), (141, 134000447), (147, 128531041), (267, 70764281), (329, 57428763), (623, 30327549), (987, 19142921), (1869, 10109183), (2303, 8204109), (4183, 4516869), (4361, 4332507), (6909, 2734703), (12549, 1505623), (13083, 1444169), (29281, 645267), (30727, 614901), (87843, 215089), (92181, 204967)]