18781956

素因数分解:

$2^2\times 3^7\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 52348800

約数和(自身を除く): 33566844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 113, 114, 162, 171, 226, 228, 243, 324, 339, 342, 452, 486, 513, 678, 684, 729, 972, 1017, 1026, 1356, 1458, 1539, 2034, 2052, 2147, 2187, 2916, 3051, 3078, 4068, 4294, 4374, 4617, 6102, 6156, 6441, 8588, 8748, 9153, 9234, 12204, 12882, 13851, 18306, 18468, 19323, 25764, 27459, 27702, 36612, 38646, 41553, 54918, 55404, 57969, 77292, 82377, 83106, 109836, 115938, 164754, 166212, 173907, 231876, 247131, 329508, 347814, 494262, 521721, 695628, 988524, 1043442, 1565163, 2086884, 3130326, 4695489, 6260652, 9390978, 18781956]

約数ペア:

[(1, 18781956), (2, 9390978), (3, 6260652), (4, 4695489), (6, 3130326), (9, 2086884), (12, 1565163), (18, 1043442), (19, 988524), (27, 695628), (36, 521721), (38, 494262), (54, 347814), (57, 329508), (76, 247131), (81, 231876), (108, 173907), (113, 166212), (114, 164754), (162, 115938), (171, 109836), (226, 83106), (228, 82377), (243, 77292), (324, 57969), (339, 55404), (342, 54918), (452, 41553), (486, 38646), (513, 36612), (678, 27702), (684, 27459), (729, 25764), (972, 19323), (1017, 18468), (1026, 18306), (1356, 13851), (1458, 12882), (1539, 12204), (2034, 9234), (2052, 9153), (2147, 8748), (2187, 8588), (2916, 6441), (3051, 6156), (3078, 6102), (4068, 4617), (4294, 4374)]