19449864

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 63355500

約数和(自身を除く): 43905636

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 37, 42, 49, 56, 63, 72, 74, 84, 98, 111, 126, 147, 148, 149, 168, 196, 222, 252, 259, 294, 296, 298, 333, 392, 441, 444, 447, 504, 518, 588, 596, 666, 777, 882, 888, 894, 1036, 1043, 1176, 1192, 1332, 1341, 1554, 1764, 1788, 1813, 2072, 2086, 2331, 2664, 2682, 3108, 3129, 3528, 3576, 3626, 4172, 4662, 5364, 5439, 5513, 6216, 6258, 7252, 7301, 8344, 9324, 9387, 10728, 10878, 11026, 12516, 14504, 14602, 16317, 16539, 18648, 18774, 21756, 21903, 22052, 25032, 29204, 32634, 33078, 37548, 38591, 43512, 43806, 44104, 49617, 58408, 65268, 65709, 66156, 75096, 77182, 87612, 99234, 115773, 130536, 131418, 132312, 154364, 175224, 198468, 231546, 262836, 270137, 308728, 347319, 396936, 463092, 525672, 540274, 694638, 810411, 926184, 1080548, 1389276, 1620822, 2161096, 2431233, 2778552, 3241644, 4862466, 6483288, 9724932, 19449864]

約数ペア:

[(1, 19449864), (2, 9724932), (3, 6483288), (4, 4862466), (6, 3241644), (7, 2778552), (8, 2431233), (9, 2161096), (12, 1620822), (14, 1389276), (18, 1080548), (21, 926184), (24, 810411), (28, 694638), (36, 540274), (37, 525672), (42, 463092), (49, 396936), (56, 347319), (63, 308728), (72, 270137), (74, 262836), (84, 231546), (98, 198468), (111, 175224), (126, 154364), (147, 132312), (148, 131418), (149, 130536), (168, 115773), (196, 99234), (222, 87612), (252, 77182), (259, 75096), (294, 66156), (296, 65709), (298, 65268), (333, 58408), (392, 49617), (441, 44104), (444, 43806), (447, 43512), (504, 38591), (518, 37548), (588, 33078), (596, 32634), (666, 29204), (777, 25032), (882, 22052), (888, 21903), (894, 21756), (1036, 18774), (1043, 18648), (1176, 16539), (1192, 16317), (1332, 14602), (1341, 14504), (1554, 12516), (1764, 11026), (1788, 10878), (1813, 10728), (2072, 9387), (2086, 9324), (2331, 8344), (2664, 7301), (2682, 7252), (3108, 6258), (3129, 6216), (3528, 5513), (3576, 5439), (3626, 5364), (4172, 4662)]