19815808

素因数分解:

$2^7\times {\mathrm{149}}^1\times {\mathrm{1039}}^1$

素因数の和:1202

約数の個数: 32

約数和(自身を含む): 39780000

約数和(自身を除く): 19964192

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 149, 298, 596, 1039, 1192, 2078, 2384, 4156, 4768, 8312, 9536, 16624, 19072, 33248, 66496, 132992, 154811, 309622, 619244, 1238488, 2476976, 4953952, 9907904, 19815808]

約数ペア:

[(1, 19815808), (2, 9907904), (4, 4953952), (8, 2476976), (16, 1238488), (32, 619244), (64, 309622), (128, 154811), (149, 132992), (298, 66496), (596, 33248), (1039, 19072), (1192, 16624), (2078, 9536), (2384, 8312), (4156, 4768)]