19935864

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 62407800

約数和(自身を除く): 42471936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 36, 38, 39, 52, 57, 59, 72, 76, 78, 104, 114, 117, 118, 152, 156, 171, 177, 228, 234, 236, 247, 312, 342, 354, 361, 456, 468, 472, 494, 531, 684, 708, 722, 741, 767, 936, 988, 1062, 1083, 1121, 1368, 1416, 1444, 1482, 1534, 1976, 2124, 2166, 2223, 2242, 2301, 2888, 2964, 3068, 3249, 3363, 4248, 4332, 4446, 4484, 4602, 4693, 5928, 6136, 6498, 6726, 6903, 8664, 8892, 8968, 9204, 9386, 10089, 12996, 13452, 13806, 14079, 14573, 17784, 18408, 18772, 20178, 21299, 25992, 26904, 27612, 28158, 29146, 37544, 40356, 42237, 42598, 43719, 55224, 56316, 58292, 63897, 80712, 84474, 85196, 87438, 112632, 116584, 127794, 131157, 168948, 170392, 174876, 191691, 255588, 262314, 276887, 337896, 349752, 383382, 511176, 524628, 553774, 766764, 830661, 1049256, 1107548, 1533528, 1661322, 2215096, 2491983, 3322644, 4983966, 6645288, 9967932, 19935864]

約数ペア:

[(1, 19935864), (2, 9967932), (3, 6645288), (4, 4983966), (6, 3322644), (8, 2491983), (9, 2215096), (12, 1661322), (13, 1533528), (18, 1107548), (19, 1049256), (24, 830661), (26, 766764), (36, 553774), (38, 524628), (39, 511176), (52, 383382), (57, 349752), (59, 337896), (72, 276887), (76, 262314), (78, 255588), (104, 191691), (114, 174876), (117, 170392), (118, 168948), (152, 131157), (156, 127794), (171, 116584), (177, 112632), (228, 87438), (234, 85196), (236, 84474), (247, 80712), (312, 63897), (342, 58292), (354, 56316), (361, 55224), (456, 43719), (468, 42598), (472, 42237), (494, 40356), (531, 37544), (684, 29146), (708, 28158), (722, 27612), (741, 26904), (767, 25992), (936, 21299), (988, 20178), (1062, 18772), (1083, 18408), (1121, 17784), (1368, 14573), (1416, 14079), (1444, 13806), (1482, 13452), (1534, 12996), (1976, 10089), (2124, 9386), (2166, 9204), (2223, 8968), (2242, 8892), (2301, 8664), (2888, 6903), (2964, 6726), (3068, 6498), (3249, 6136), (3363, 5928), (4248, 4693), (4332, 4602), (4446, 4484)]