19811328

素因数分解:

$2^{10}\times 3^1\times {\mathrm{6449}}^1$

素因数の和:6472

約数の個数: 44

約数和(自身を含む): 52812600

約数和(自身を除く): 33001272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1024, 1536, 3072, 6449, 12898, 19347, 25796, 38694, 51592, 77388, 103184, 154776, 206368, 309552, 412736, 619104, 825472, 1238208, 1650944, 2476416, 3301888, 4952832, 6603776, 9905664, 19811328]

約数ペア:

[(1, 19811328), (2, 9905664), (3, 6603776), (4, 4952832), (6, 3301888), (8, 2476416), (12, 1650944), (16, 1238208), (24, 825472), (32, 619104), (48, 412736), (64, 309552), (96, 206368), (128, 154776), (192, 103184), (256, 77388), (384, 51592), (512, 38694), (768, 25796), (1024, 19347), (1536, 12898), (3072, 6449)]