19082528

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 39299904

約数和(自身を除く): 20217376

約数列:

[1, 2, 4, 8, 16, 32, 37, 71, 74, 142, 148, 227, 284, 296, 454, 568, 592, 908, 1136, 1184, 1816, 2272, 2627, 3632, 5254, 7264, 8399, 10508, 16117, 16798, 21016, 32234, 33596, 42032, 64468, 67192, 84064, 128936, 134384, 257872, 268768, 515744, 596329, 1192658, 2385316, 4770632, 9541264, 19082528]

約数ペア:

[(1, 19082528), (2, 9541264), (4, 4770632), (8, 2385316), (16, 1192658), (32, 596329), (37, 515744), (71, 268768), (74, 257872), (142, 134384), (148, 128936), (227, 84064), (284, 67192), (296, 64468), (454, 42032), (568, 33596), (592, 32234), (908, 21016), (1136, 16798), (1184, 16117), (1816, 10508), (2272, 8399), (2627, 7264), (3632, 5254)]