2018221821

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{54949}}^1$

素因数の和:55026

約数の個数: 48

約数和(自身を含む): 3703190400

約数和(自身を除く): 1684968579

約数列:

[1, 3, 7, 9, 11, 21, 33, 53, 63, 77, 99, 159, 231, 371, 477, 583, 693, 1113, 1749, 3339, 4081, 5247, 12243, 36729, 54949, 164847, 384643, 494541, 604439, 1153929, 1813317, 2912297, 3461787, 4231073, 5439951, 8736891, 12693219, 20386079, 26210673, 32035267, 38079657, 61158237, 96105801, 183474711, 224246869, 288317403, 672740607, 2018221821]

約数ペア:

[(1, 2018221821), (3, 672740607), (7, 288317403), (9, 224246869), (11, 183474711), (21, 96105801), (33, 61158237), (53, 38079657), (63, 32035267), (77, 26210673), (99, 20386079), (159, 12693219), (231, 8736891), (371, 5439951), (477, 4231073), (583, 3461787), (693, 2912297), (1113, 1813317), (1749, 1153929), (3339, 604439), (4081, 494541), (5247, 384643), (12243, 164847), (36729, 54949)]