19947438

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{467}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 51217920

約数和(自身を除く): 31270482

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 113, 126, 189, 226, 339, 378, 467, 678, 791, 934, 1017, 1401, 1582, 2034, 2373, 2802, 3051, 3269, 4203, 4746, 6102, 6538, 7119, 8406, 9807, 12609, 14238, 19614, 21357, 25218, 29421, 42714, 52771, 58842, 88263, 105542, 158313, 176526, 316626, 369397, 474939, 738794, 949878, 1108191, 1424817, 2216382, 2849634, 3324573, 6649146, 9973719, 19947438]

約数ペア:

[(1, 19947438), (2, 9973719), (3, 6649146), (6, 3324573), (7, 2849634), (9, 2216382), (14, 1424817), (18, 1108191), (21, 949878), (27, 738794), (42, 474939), (54, 369397), (63, 316626), (113, 176526), (126, 158313), (189, 105542), (226, 88263), (339, 58842), (378, 52771), (467, 42714), (678, 29421), (791, 25218), (934, 21357), (1017, 19614), (1401, 14238), (1582, 12609), (2034, 9807), (2373, 8406), (2802, 7119), (3051, 6538), (3269, 6102), (4203, 4746)]