19195358

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 72

約数和(自身を含む): 38803320

約数和(自身を除く): 19607962

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 61, 91, 98, 122, 133, 169, 182, 247, 266, 338, 427, 494, 637, 793, 854, 931, 1159, 1183, 1274, 1586, 1729, 1862, 2318, 2366, 2989, 3211, 3458, 5551, 5978, 6422, 8113, 8281, 10309, 11102, 12103, 15067, 16226, 16562, 20618, 22477, 24206, 30134, 38857, 44954, 56791, 72163, 77714, 105469, 113582, 144326, 157339, 195871, 210938, 314678, 391742, 505141, 738283, 1010282, 1371097, 1476566, 2742194, 9597679, 19195358]

約数ペア:

[(1, 19195358), (2, 9597679), (7, 2742194), (13, 1476566), (14, 1371097), (19, 1010282), (26, 738283), (38, 505141), (49, 391742), (61, 314678), (91, 210938), (98, 195871), (122, 157339), (133, 144326), (169, 113582), (182, 105469), (247, 77714), (266, 72163), (338, 56791), (427, 44954), (494, 38857), (637, 30134), (793, 24206), (854, 22477), (931, 20618), (1159, 16562), (1183, 16226), (1274, 15067), (1586, 12103), (1729, 11102), (1862, 10309), (2318, 8281), (2366, 8113), (2989, 6422), (3211, 5978), (3458, 5551)]