19778472

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 128

約数和(自身を含む): 63897600

約数和(自身を除く): 44119128

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 103, 108, 126, 127, 168, 189, 206, 216, 252, 254, 309, 378, 381, 412, 504, 508, 618, 721, 756, 762, 824, 889, 927, 1016, 1143, 1236, 1442, 1512, 1524, 1778, 1854, 2163, 2286, 2472, 2667, 2781, 2884, 3048, 3429, 3556, 3708, 4326, 4572, 5334, 5562, 5768, 6489, 6858, 7112, 7416, 8001, 8652, 9144, 10668, 11124, 12978, 13081, 13716, 16002, 17304, 19467, 21336, 22248, 24003, 25956, 26162, 27432, 32004, 38934, 39243, 48006, 51912, 52324, 64008, 77868, 78486, 91567, 96012, 104648, 117729, 155736, 156972, 183134, 192024, 235458, 274701, 313944, 353187, 366268, 470916, 549402, 706374, 732536, 824103, 941832, 1098804, 1412748, 1648206, 2197608, 2472309, 2825496, 3296412, 4944618, 6592824, 9889236, 19778472]

約数ペア:

[(1, 19778472), (2, 9889236), (3, 6592824), (4, 4944618), (6, 3296412), (7, 2825496), (8, 2472309), (9, 2197608), (12, 1648206), (14, 1412748), (18, 1098804), (21, 941832), (24, 824103), (27, 732536), (28, 706374), (36, 549402), (42, 470916), (54, 366268), (56, 353187), (63, 313944), (72, 274701), (84, 235458), (103, 192024), (108, 183134), (126, 156972), (127, 155736), (168, 117729), (189, 104648), (206, 96012), (216, 91567), (252, 78486), (254, 77868), (309, 64008), (378, 52324), (381, 51912), (412, 48006), (504, 39243), (508, 38934), (618, 32004), (721, 27432), (756, 26162), (762, 25956), (824, 24003), (889, 22248), (927, 21336), (1016, 19467), (1143, 17304), (1236, 16002), (1442, 13716), (1512, 13081), (1524, 12978), (1778, 11124), (1854, 10668), (2163, 9144), (2286, 8652), (2472, 8001), (2667, 7416), (2781, 7112), (2884, 6858), (3048, 6489), (3429, 5768), (3556, 5562), (3708, 5334), (4326, 4572)]