18271488

素因数分解:

$2^8\times 3^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:699

約数の個数: 72

約数和(自身を含む): 50020768

約数和(自身を除く): 31749280

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 148, 192, 222, 256, 296, 384, 444, 592, 643, 768, 888, 1184, 1286, 1776, 1929, 2368, 2572, 3552, 3858, 4736, 5144, 7104, 7716, 9472, 10288, 14208, 15432, 20576, 23791, 28416, 30864, 41152, 47582, 61728, 71373, 82304, 95164, 123456, 142746, 164608, 190328, 246912, 285492, 380656, 493824, 570984, 761312, 1141968, 1522624, 2283936, 3045248, 4567872, 6090496, 9135744, 18271488]

約数ペア:

[(1, 18271488), (2, 9135744), (3, 6090496), (4, 4567872), (6, 3045248), (8, 2283936), (12, 1522624), (16, 1141968), (24, 761312), (32, 570984), (37, 493824), (48, 380656), (64, 285492), (74, 246912), (96, 190328), (111, 164608), (128, 142746), (148, 123456), (192, 95164), (222, 82304), (256, 71373), (296, 61728), (384, 47582), (444, 41152), (592, 30864), (643, 28416), (768, 23791), (888, 20576), (1184, 15432), (1286, 14208), (1776, 10288), (1929, 9472), (2368, 7716), (2572, 7104), (3552, 5144), (3858, 4736)]