19901322

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 56678400

約数和(自身を除く): 36777078

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 19, 21, 27, 34, 38, 42, 51, 54, 57, 63, 102, 114, 119, 126, 133, 153, 163, 171, 189, 238, 266, 306, 323, 326, 342, 357, 378, 399, 459, 489, 513, 646, 714, 798, 918, 969, 978, 1026, 1071, 1141, 1197, 1467, 1938, 2142, 2261, 2282, 2394, 2771, 2907, 2934, 3097, 3213, 3423, 3591, 4401, 4522, 5542, 5814, 6194, 6426, 6783, 6846, 7182, 8313, 8721, 8802, 9291, 10269, 13566, 16626, 17442, 18582, 19397, 20349, 20538, 21679, 24939, 27873, 30807, 38794, 40698, 43358, 49878, 52649, 55746, 58191, 61047, 61614, 65037, 74817, 83619, 105298, 116382, 122094, 130074, 149634, 157947, 167238, 174573, 195111, 315894, 349146, 368543, 390222, 473841, 523719, 585333, 737086, 947682, 1047438, 1105629, 1170666, 1421523, 2211258, 2843046, 3316887, 6633774, 9950661, 19901322]

約数ペア:

[(1, 19901322), (2, 9950661), (3, 6633774), (6, 3316887), (7, 2843046), (9, 2211258), (14, 1421523), (17, 1170666), (18, 1105629), (19, 1047438), (21, 947682), (27, 737086), (34, 585333), (38, 523719), (42, 473841), (51, 390222), (54, 368543), (57, 349146), (63, 315894), (102, 195111), (114, 174573), (119, 167238), (126, 157947), (133, 149634), (153, 130074), (163, 122094), (171, 116382), (189, 105298), (238, 83619), (266, 74817), (306, 65037), (323, 61614), (326, 61047), (342, 58191), (357, 55746), (378, 52649), (399, 49878), (459, 43358), (489, 40698), (513, 38794), (646, 30807), (714, 27873), (798, 24939), (918, 21679), (969, 20538), (978, 20349), (1026, 19397), (1071, 18582), (1141, 17442), (1197, 16626), (1467, 13566), (1938, 10269), (2142, 9291), (2261, 8802), (2282, 8721), (2394, 8313), (2771, 7182), (2907, 6846), (2934, 6783), (3097, 6426), (3213, 6194), (3423, 5814), (3591, 5542), (4401, 4522)]