19716544

素因数分解:

$2^6\times {\mathrm{239}}^1\times {\mathrm{1289}}^1$

素因数の和:1540

約数の個数: 28

約数和(自身を含む): 39319200

約数和(自身を除く): 19602656

約数列:

[1, 2, 4, 8, 16, 32, 64, 239, 478, 956, 1289, 1912, 2578, 3824, 5156, 7648, 10312, 15296, 20624, 41248, 82496, 308071, 616142, 1232284, 2464568, 4929136, 9858272, 19716544]

約数ペア:

[(1, 19716544), (2, 9858272), (4, 4929136), (8, 2464568), (16, 1232284), (32, 616142), (64, 308071), (239, 82496), (478, 41248), (956, 20624), (1289, 15296), (1912, 10312), (2578, 7648), (3824, 5156)]