19663872

素因数分解:

$2^{10}\times 3^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:233

約数の個数: 88

約数和(自身を含む): 54139056

約数和(自身を除く): 34475184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 148, 173, 192, 222, 256, 296, 346, 384, 444, 512, 519, 592, 692, 768, 888, 1024, 1038, 1184, 1384, 1536, 1776, 2076, 2368, 2768, 3072, 3552, 4152, 4736, 5536, 6401, 7104, 8304, 9472, 11072, 12802, 14208, 16608, 18944, 19203, 22144, 25604, 28416, 33216, 37888, 38406, 44288, 51208, 56832, 66432, 76812, 88576, 102416, 113664, 132864, 153624, 177152, 204832, 265728, 307248, 409664, 531456, 614496, 819328, 1228992, 1638656, 2457984, 3277312, 4915968, 6554624, 9831936, 19663872]

約数ペア:

[(1, 19663872), (2, 9831936), (3, 6554624), (4, 4915968), (6, 3277312), (8, 2457984), (12, 1638656), (16, 1228992), (24, 819328), (32, 614496), (37, 531456), (48, 409664), (64, 307248), (74, 265728), (96, 204832), (111, 177152), (128, 153624), (148, 132864), (173, 113664), (192, 102416), (222, 88576), (256, 76812), (296, 66432), (346, 56832), (384, 51208), (444, 44288), (512, 38406), (519, 37888), (592, 33216), (692, 28416), (768, 25604), (888, 22144), (1024, 19203), (1038, 18944), (1184, 16608), (1384, 14208), (1536, 12802), (1776, 11072), (2076, 9472), (2368, 8304), (2768, 7104), (3072, 6401), (3552, 5536), (4152, 4736)]