18991872

素因数分解:

$2^8\times 3^2\times {\mathrm{8243}}^1$

素因数の和:8265

約数の個数: 54

約数和(自身を含む): 54764892

約数和(自身を除く): 35773020

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 576, 768, 1152, 2304, 8243, 16486, 24729, 32972, 49458, 65944, 74187, 98916, 131888, 148374, 197832, 263776, 296748, 395664, 527552, 593496, 791328, 1055104, 1186992, 1582656, 2110208, 2373984, 3165312, 4747968, 6330624, 9495936, 18991872]

約数ペア:

[(1, 18991872), (2, 9495936), (3, 6330624), (4, 4747968), (6, 3165312), (8, 2373984), (9, 2110208), (12, 1582656), (16, 1186992), (18, 1055104), (24, 791328), (32, 593496), (36, 527552), (48, 395664), (64, 296748), (72, 263776), (96, 197832), (128, 148374), (144, 131888), (192, 98916), (256, 74187), (288, 65944), (384, 49458), (576, 32972), (768, 24729), (1152, 16486), (2304, 8243)]