18880974728

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{16631}}^1$

素因数の和:16771

約数の個数: 128

約数和(自身を含む): 46942156800

約数和(自身を除く): 28061182072

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 56, 76, 77, 88, 97, 133, 152, 154, 194, 209, 266, 308, 388, 418, 532, 616, 679, 776, 836, 1064, 1067, 1358, 1463, 1672, 1843, 2134, 2716, 2926, 3686, 4268, 5432, 5852, 7372, 7469, 8536, 11704, 12901, 14744, 14938, 16631, 20273, 25802, 29876, 33262, 40546, 51604, 59752, 66524, 81092, 103208, 116417, 133048, 141911, 162184, 182941, 232834, 283822, 315989, 365882, 465668, 567644, 631978, 731764, 931336, 1135288, 1263956, 1280587, 1463528, 1613207, 2211923, 2527912, 2561174, 3226414, 3475879, 4423846, 5122348, 6452828, 6951758, 8847692, 10244696, 11292449, 12905656, 13903516, 17695384, 17745277, 22584898, 24331153, 27807032, 30650933, 35490554, 45169796, 48662306, 61301866, 70981108, 90339592, 97324612, 122603732, 124216939, 141962216, 194649224, 214556531, 245207464, 248433878, 337160263, 429113062, 496867756, 674320526, 858226124, 993735512, 1348641052, 1716452248, 2360121841, 2697282104, 4720243682, 9440487364, 18880974728]

約数ペア:

[(1, 18880974728), (2, 9440487364), (4, 4720243682), (7, 2697282104), (8, 2360121841), (11, 1716452248), (14, 1348641052), (19, 993735512), (22, 858226124), (28, 674320526), (38, 496867756), (44, 429113062), (56, 337160263), (76, 248433878), (77, 245207464), (88, 214556531), (97, 194649224), (133, 141962216), (152, 124216939), (154, 122603732), (194, 97324612), (209, 90339592), (266, 70981108), (308, 61301866), (388, 48662306), (418, 45169796), (532, 35490554), (616, 30650933), (679, 27807032), (776, 24331153), (836, 22584898), (1064, 17745277), (1067, 17695384), (1358, 13903516), (1463, 12905656), (1672, 11292449), (1843, 10244696), (2134, 8847692), (2716, 6951758), (2926, 6452828), (3686, 5122348), (4268, 4423846), (5432, 3475879), (5852, 3226414), (7372, 2561174), (7469, 2527912), (8536, 2211923), (11704, 1613207), (12901, 1463528), (14744, 1280587), (14938, 1263956), (16631, 1135288), (20273, 931336), (25802, 731764), (29876, 631978), (33262, 567644), (40546, 465668), (51604, 365882), (59752, 315989), (66524, 283822), (81092, 232834), (103208, 182941), (116417, 162184), (133048, 141911)]