19385168

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:97

約数の個数: 120

約数和(自身を含む): 47496960

約数和(自身を除く): 28111792

約数列:

[1, 2, 4, 8, 11, 16, 17, 19, 22, 31, 34, 38, 44, 62, 68, 76, 88, 121, 124, 136, 152, 176, 187, 209, 242, 248, 272, 304, 323, 341, 374, 418, 484, 496, 527, 589, 646, 682, 748, 836, 968, 1054, 1178, 1292, 1364, 1496, 1672, 1936, 2057, 2108, 2299, 2356, 2584, 2728, 2992, 3344, 3553, 3751, 4114, 4216, 4598, 4712, 5168, 5456, 5797, 6479, 7106, 7502, 8228, 8432, 9196, 9424, 10013, 11594, 12958, 14212, 15004, 16456, 18392, 20026, 23188, 25916, 28424, 30008, 32912, 36784, 39083, 40052, 46376, 51832, 56848, 60016, 63767, 71269, 78166, 80104, 92752, 103664, 110143, 127534, 142538, 156332, 160208, 220286, 255068, 285076, 312664, 440572, 510136, 570152, 625328, 881144, 1020272, 1140304, 1211573, 1762288, 2423146, 4846292, 9692584, 19385168]

約数ペア:

[(1, 19385168), (2, 9692584), (4, 4846292), (8, 2423146), (11, 1762288), (16, 1211573), (17, 1140304), (19, 1020272), (22, 881144), (31, 625328), (34, 570152), (38, 510136), (44, 440572), (62, 312664), (68, 285076), (76, 255068), (88, 220286), (121, 160208), (124, 156332), (136, 142538), (152, 127534), (176, 110143), (187, 103664), (209, 92752), (242, 80104), (248, 78166), (272, 71269), (304, 63767), (323, 60016), (341, 56848), (374, 51832), (418, 46376), (484, 40052), (496, 39083), (527, 36784), (589, 32912), (646, 30008), (682, 28424), (748, 25916), (836, 23188), (968, 20026), (1054, 18392), (1178, 16456), (1292, 15004), (1364, 14212), (1496, 12958), (1672, 11594), (1936, 10013), (2057, 9424), (2108, 9196), (2299, 8432), (2356, 8228), (2584, 7502), (2728, 7106), (2992, 6479), (3344, 5797), (3553, 5456), (3751, 5168), (4114, 4712), (4216, 4598)]