19551532

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 48545280

約数和(自身を除く): 28993748

約数列:

[1, 2, 4, 7, 11, 13, 14, 19, 22, 26, 28, 38, 44, 52, 76, 77, 91, 133, 143, 154, 182, 209, 247, 257, 266, 286, 308, 364, 418, 494, 514, 532, 572, 836, 988, 1001, 1028, 1463, 1729, 1799, 2002, 2717, 2827, 2926, 3341, 3458, 3598, 4004, 4883, 5434, 5654, 5852, 6682, 6916, 7196, 9766, 10868, 11308, 13364, 19019, 19532, 19789, 23387, 34181, 36751, 38038, 39578, 46774, 53713, 63479, 68362, 73502, 76076, 79156, 93548, 107426, 126958, 136724, 147004, 214852, 253916, 257257, 375991, 444353, 514514, 698269, 751982, 888706, 1029028, 1396538, 1503964, 1777412, 2793076, 4887883, 9775766, 19551532]

約数ペア:

[(1, 19551532), (2, 9775766), (4, 4887883), (7, 2793076), (11, 1777412), (13, 1503964), (14, 1396538), (19, 1029028), (22, 888706), (26, 751982), (28, 698269), (38, 514514), (44, 444353), (52, 375991), (76, 257257), (77, 253916), (91, 214852), (133, 147004), (143, 136724), (154, 126958), (182, 107426), (209, 93548), (247, 79156), (257, 76076), (266, 73502), (286, 68362), (308, 63479), (364, 53713), (418, 46774), (494, 39578), (514, 38038), (532, 36751), (572, 34181), (836, 23387), (988, 19789), (1001, 19532), (1028, 19019), (1463, 13364), (1729, 11308), (1799, 10868), (2002, 9766), (2717, 7196), (2827, 6916), (2926, 6682), (3341, 5852), (3458, 5654), (3598, 5434), (4004, 4883)]