18664884

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{3527}}^1$

素因数の和:3554

約数の個数: 72

約数和(自身を含む): 56306880

約数和(自身を除く): 37641996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 3527, 5292, 7054, 10581, 14108, 21162, 24689, 31743, 42324, 49378, 63486, 74067, 95229, 98756, 126972, 148134, 172823, 190458, 222201, 296268, 345646, 380916, 444402, 518469, 666603, 691292, 888804, 1036938, 1333206, 1555407, 2073876, 2666412, 3110814, 4666221, 6221628, 9332442, 18664884]

約数ペア:

[(1, 18664884), (2, 9332442), (3, 6221628), (4, 4666221), (6, 3110814), (7, 2666412), (9, 2073876), (12, 1555407), (14, 1333206), (18, 1036938), (21, 888804), (27, 691292), (28, 666603), (36, 518469), (42, 444402), (49, 380916), (54, 345646), (63, 296268), (84, 222201), (98, 190458), (108, 172823), (126, 148134), (147, 126972), (189, 98756), (196, 95229), (252, 74067), (294, 63486), (378, 49378), (441, 42324), (588, 31743), (756, 24689), (882, 21162), (1323, 14108), (1764, 10581), (2646, 7054), (3527, 5292)]