19518689661

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1\times {\mathrm{7499}}^1$

素因数の和:7849

約数の個数: 32

約数和(自身を含む): 27086400000

約数和(自身を除く): 7567710339

約数列:

[1, 3, 37, 111, 131, 179, 393, 537, 4847, 6623, 7499, 14541, 19869, 22497, 23449, 70347, 277463, 832389, 867613, 982369, 1342321, 2602839, 2947107, 4026963, 36347653, 49665877, 109042959, 148997631, 175844051, 527532153, 6506229887, 19518689661]

約数ペア:

[(1, 19518689661), (3, 6506229887), (37, 527532153), (111, 175844051), (131, 148997631), (179, 109042959), (393, 49665877), (537, 36347653), (4847, 4026963), (6623, 2947107), (7499, 2602839), (14541, 1342321), (19869, 982369), (22497, 867613), (23449, 832389), (70347, 277463)]