19104976

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1487}}^1$

素因数の和:1579

約数の個数: 40

約数和(自身を含む): 40961664

約数和(自身を除く): 21856688

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 73, 88, 146, 176, 292, 584, 803, 1168, 1487, 1606, 2974, 3212, 5948, 6424, 11896, 12848, 16357, 23792, 32714, 65428, 108551, 130856, 217102, 261712, 434204, 868408, 1194061, 1736816, 2388122, 4776244, 9552488, 19104976]

約数ペア:

[(1, 19104976), (2, 9552488), (4, 4776244), (8, 2388122), (11, 1736816), (16, 1194061), (22, 868408), (44, 434204), (73, 261712), (88, 217102), (146, 130856), (176, 108551), (292, 65428), (584, 32714), (803, 23792), (1168, 16357), (1487, 12848), (1606, 11896), (2974, 6424), (3212, 5948)]