19724166

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:159

約数の個数: 144

約数和(自身を含む): 57620160

約数和(自身を除く): 37895994

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 19, 21, 22, 33, 38, 42, 49, 57, 63, 66, 77, 98, 99, 107, 114, 126, 133, 147, 154, 171, 198, 209, 214, 231, 266, 294, 321, 342, 399, 418, 441, 462, 539, 627, 642, 693, 749, 798, 882, 931, 963, 1078, 1177, 1197, 1254, 1386, 1463, 1498, 1617, 1862, 1881, 1926, 2033, 2247, 2354, 2394, 2793, 2926, 3234, 3531, 3762, 4066, 4389, 4494, 4851, 5243, 5586, 6099, 6741, 7062, 8239, 8379, 8778, 9702, 10241, 10486, 10593, 12198, 13167, 13482, 14231, 15729, 16478, 16758, 18297, 20482, 21186, 22363, 24717, 26334, 28462, 30723, 31458, 36594, 42693, 44726, 47187, 49434, 57673, 61446, 67089, 74151, 85386, 92169, 94374, 99617, 115346, 128079, 134178, 148302, 156541, 173019, 184338, 199234, 201267, 256158, 298851, 313082, 346038, 402534, 469623, 519057, 597702, 896553, 939246, 1038114, 1095787, 1408869, 1793106, 2191574, 2817738, 3287361, 6574722, 9862083, 19724166]

約数ペア:

[(1, 19724166), (2, 9862083), (3, 6574722), (6, 3287361), (7, 2817738), (9, 2191574), (11, 1793106), (14, 1408869), (18, 1095787), (19, 1038114), (21, 939246), (22, 896553), (33, 597702), (38, 519057), (42, 469623), (49, 402534), (57, 346038), (63, 313082), (66, 298851), (77, 256158), (98, 201267), (99, 199234), (107, 184338), (114, 173019), (126, 156541), (133, 148302), (147, 134178), (154, 128079), (171, 115346), (198, 99617), (209, 94374), (214, 92169), (231, 85386), (266, 74151), (294, 67089), (321, 61446), (342, 57673), (399, 49434), (418, 47187), (441, 44726), (462, 42693), (539, 36594), (627, 31458), (642, 30723), (693, 28462), (749, 26334), (798, 24717), (882, 22363), (931, 21186), (963, 20482), (1078, 18297), (1177, 16758), (1197, 16478), (1254, 15729), (1386, 14231), (1463, 13482), (1498, 13167), (1617, 12198), (1862, 10593), (1881, 10486), (1926, 10241), (2033, 9702), (2247, 8778), (2354, 8379), (2394, 8239), (2793, 7062), (2926, 6741), (3234, 6099), (3531, 5586), (3762, 5243), (4066, 4851), (4389, 4494)]