19439541

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 64

約数和(自身を含む): 33926400

約数和(自身を除く): 14486859

約数列:

[1, 3, 9, 11, 27, 29, 33, 37, 61, 87, 99, 111, 183, 261, 297, 319, 333, 407, 549, 671, 783, 957, 999, 1073, 1221, 1647, 1769, 2013, 2257, 2871, 3219, 3663, 5307, 6039, 6771, 8613, 9657, 10989, 11803, 15921, 18117, 19459, 20313, 24827, 28971, 35409, 47763, 58377, 60939, 65453, 74481, 106227, 175131, 196359, 223443, 318681, 525393, 589077, 670329, 719983, 1767231, 2159949, 6479847, 19439541]

約数ペア:

[(1, 19439541), (3, 6479847), (9, 2159949), (11, 1767231), (27, 719983), (29, 670329), (33, 589077), (37, 525393), (61, 318681), (87, 223443), (99, 196359), (111, 175131), (183, 106227), (261, 74481), (297, 65453), (319, 60939), (333, 58377), (407, 47763), (549, 35409), (671, 28971), (783, 24827), (957, 20313), (999, 19459), (1073, 18117), (1221, 15921), (1647, 11803), (1769, 10989), (2013, 9657), (2257, 8613), (2871, 6771), (3219, 6039), (3663, 5307)]