19180304

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 44622144

約数和(自身を除く): 25441840

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 83, 88, 101, 104, 143, 166, 176, 202, 208, 286, 332, 404, 572, 664, 808, 913, 1079, 1111, 1144, 1313, 1328, 1616, 1826, 2158, 2222, 2288, 2626, 3652, 4316, 4444, 5252, 7304, 8383, 8632, 8888, 10504, 11869, 14443, 14608, 16766, 17264, 17776, 21008, 23738, 28886, 33532, 47476, 57772, 67064, 92213, 94952, 108979, 115544, 134128, 184426, 189904, 217958, 231088, 368852, 435916, 737704, 871832, 1198769, 1475408, 1743664, 2397538, 4795076, 9590152, 19180304]

約数ペア:

[(1, 19180304), (2, 9590152), (4, 4795076), (8, 2397538), (11, 1743664), (13, 1475408), (16, 1198769), (22, 871832), (26, 737704), (44, 435916), (52, 368852), (83, 231088), (88, 217958), (101, 189904), (104, 184426), (143, 134128), (166, 115544), (176, 108979), (202, 94952), (208, 92213), (286, 67064), (332, 57772), (404, 47476), (572, 33532), (664, 28886), (808, 23738), (913, 21008), (1079, 17776), (1111, 17264), (1144, 16766), (1313, 14608), (1328, 14443), (1616, 11869), (1826, 10504), (2158, 8888), (2222, 8632), (2288, 8383), (2626, 7304), (3652, 5252), (4316, 4444)]