18931864

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9137}}^1$

素因数の和:9187

約数の個数: 32

約数和(自身を含む): 41669280

約数和(自身を除く): 22737416

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 9137, 18274, 36548, 63959, 73096, 127918, 255836, 338069, 511672, 676138, 1352276, 2366483, 2704552, 4732966, 9465932, 18931864]

約数ペア:

[(1, 18931864), (2, 9465932), (4, 4732966), (7, 2704552), (8, 2366483), (14, 1352276), (28, 676138), (37, 511672), (56, 338069), (74, 255836), (148, 127918), (259, 73096), (296, 63959), (518, 36548), (1036, 18274), (2072, 9137)]