18829496

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 42336000

約数和(自身を除く): 23506504

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 59, 82, 118, 139, 164, 236, 278, 287, 328, 413, 472, 556, 574, 826, 973, 1112, 1148, 1652, 1946, 2296, 2419, 3304, 3892, 4838, 5699, 7784, 8201, 9676, 11398, 16402, 16933, 19352, 22796, 32804, 33866, 39893, 45592, 57407, 65608, 67732, 79786, 114814, 135464, 159572, 229628, 319144, 336241, 459256, 672482, 1344964, 2353687, 2689928, 4707374, 9414748, 18829496]

約数ペア:

[(1, 18829496), (2, 9414748), (4, 4707374), (7, 2689928), (8, 2353687), (14, 1344964), (28, 672482), (41, 459256), (56, 336241), (59, 319144), (82, 229628), (118, 159572), (139, 135464), (164, 114814), (236, 79786), (278, 67732), (287, 65608), (328, 57407), (413, 45592), (472, 39893), (556, 33866), (574, 32804), (826, 22796), (973, 19352), (1112, 16933), (1148, 16402), (1652, 11398), (1946, 9676), (2296, 8201), (2419, 7784), (3304, 5699), (3892, 4838)]