19828914368

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{128399}}^1$

素因数の和:128557

約数の個数: 56

約数和(自身を含む): 41745408000

約数和(自身を除く): 21916493632

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 127, 152, 254, 304, 508, 608, 1016, 1216, 2032, 2413, 4064, 4826, 8128, 9652, 19304, 38608, 77216, 128399, 154432, 256798, 513596, 1027192, 2054384, 2439581, 4108768, 4879162, 8217536, 9758324, 16306673, 19516648, 32613346, 39033296, 65226692, 78066592, 130453384, 156133184, 260906768, 309826787, 521813536, 619653574, 1043627072, 1239307148, 2478614296, 4957228592, 9914457184, 19828914368]

約数ペア:

[(1, 19828914368), (2, 9914457184), (4, 4957228592), (8, 2478614296), (16, 1239307148), (19, 1043627072), (32, 619653574), (38, 521813536), (64, 309826787), (76, 260906768), (127, 156133184), (152, 130453384), (254, 78066592), (304, 65226692), (508, 39033296), (608, 32613346), (1016, 19516648), (1216, 16306673), (2032, 9758324), (2413, 8217536), (4064, 4879162), (4826, 4108768), (8128, 2439581), (9652, 2054384), (19304, 1027192), (38608, 513596), (77216, 256798), (128399, 154432)]