19906992

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:280

約数の個数: 160

約数和(自身を含む): 67852800

約数和(自身を除く): 47945808

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 29, 36, 42, 48, 54, 56, 58, 63, 72, 84, 87, 108, 112, 116, 126, 144, 168, 174, 189, 203, 216, 227, 232, 252, 261, 336, 348, 378, 406, 432, 454, 464, 504, 522, 609, 681, 696, 756, 783, 812, 908, 1008, 1044, 1218, 1362, 1392, 1512, 1566, 1589, 1624, 1816, 1827, 2043, 2088, 2436, 2724, 3024, 3132, 3178, 3248, 3632, 3654, 4086, 4176, 4767, 4872, 5448, 5481, 6129, 6264, 6356, 6583, 7308, 8172, 9534, 9744, 10896, 10962, 12258, 12528, 12712, 13166, 14301, 14616, 16344, 19068, 19749, 21924, 24516, 25424, 26332, 28602, 29232, 32688, 38136, 39498, 42903, 43848, 46081, 49032, 52664, 57204, 59247, 76272, 78996, 85806, 87696, 92162, 98064, 105328, 114408, 118494, 138243, 157992, 171612, 177741, 184324, 228816, 236988, 276486, 315984, 343224, 355482, 368648, 414729, 473976, 552972, 686448, 710964, 737296, 829458, 947952, 1105944, 1244187, 1421928, 1658916, 2211888, 2488374, 2843856, 3317832, 4976748, 6635664, 9953496, 19906992]

約数ペア:

[(1, 19906992), (2, 9953496), (3, 6635664), (4, 4976748), (6, 3317832), (7, 2843856), (8, 2488374), (9, 2211888), (12, 1658916), (14, 1421928), (16, 1244187), (18, 1105944), (21, 947952), (24, 829458), (27, 737296), (28, 710964), (29, 686448), (36, 552972), (42, 473976), (48, 414729), (54, 368648), (56, 355482), (58, 343224), (63, 315984), (72, 276486), (84, 236988), (87, 228816), (108, 184324), (112, 177741), (116, 171612), (126, 157992), (144, 138243), (168, 118494), (174, 114408), (189, 105328), (203, 98064), (216, 92162), (227, 87696), (232, 85806), (252, 78996), (261, 76272), (336, 59247), (348, 57204), (378, 52664), (406, 49032), (432, 46081), (454, 43848), (464, 42903), (504, 39498), (522, 38136), (609, 32688), (681, 29232), (696, 28602), (756, 26332), (783, 25424), (812, 24516), (908, 21924), (1008, 19749), (1044, 19068), (1218, 16344), (1362, 14616), (1392, 14301), (1512, 13166), (1566, 12712), (1589, 12528), (1624, 12258), (1816, 10962), (1827, 10896), (2043, 9744), (2088, 9534), (2436, 8172), (2724, 7308), (3024, 6583), (3132, 6356), (3178, 6264), (3248, 6129), (3632, 5481), (3654, 5448), (4086, 4872), (4176, 4767)]