19665954

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2027}}^1$

素因数の和:2060

約数の個数: 72

約数和(自身を含む): 54098928

約数和(自身を除く): 34432974

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 49, 63, 66, 77, 98, 99, 126, 147, 154, 198, 231, 294, 441, 462, 539, 693, 882, 1078, 1386, 1617, 2027, 3234, 4054, 4851, 6081, 9702, 12162, 14189, 18243, 22297, 28378, 36486, 42567, 44594, 66891, 85134, 99323, 127701, 133782, 156079, 198646, 200673, 255402, 297969, 312158, 401346, 468237, 595938, 893907, 936474, 1092553, 1404711, 1787814, 2185106, 2809422, 3277659, 6555318, 9832977, 19665954]

約数ペア:

[(1, 19665954), (2, 9832977), (3, 6555318), (6, 3277659), (7, 2809422), (9, 2185106), (11, 1787814), (14, 1404711), (18, 1092553), (21, 936474), (22, 893907), (33, 595938), (42, 468237), (49, 401346), (63, 312158), (66, 297969), (77, 255402), (98, 200673), (99, 198646), (126, 156079), (147, 133782), (154, 127701), (198, 99323), (231, 85134), (294, 66891), (441, 44594), (462, 42567), (539, 36486), (693, 28378), (882, 22297), (1078, 18243), (1386, 14189), (1617, 12162), (2027, 9702), (3234, 6081), (4054, 4851)]