19784142

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{7477}}^1$

素因数の和:7502

約数の個数: 48

約数和(自身を含む): 51149520

約数和(自身を除く): 31365378

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 7477, 14954, 22431, 44862, 52339, 67293, 104678, 134586, 157017, 201879, 314034, 366373, 403758, 471051, 732746, 942102, 1099119, 1413153, 2198238, 2826306, 3297357, 6594714, 9892071, 19784142]

約数ペア:

[(1, 19784142), (2, 9892071), (3, 6594714), (6, 3297357), (7, 2826306), (9, 2198238), (14, 1413153), (18, 1099119), (21, 942102), (27, 732746), (42, 471051), (49, 403758), (54, 366373), (63, 314034), (98, 201879), (126, 157017), (147, 134586), (189, 104678), (294, 67293), (378, 52339), (441, 44862), (882, 22431), (1323, 14954), (2646, 7477)]