19535824

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:284

約数の個数: 80

約数和(自身を含む): 47961216

約数和(自身を除く): 28425392

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 101, 112, 154, 157, 176, 202, 308, 314, 404, 616, 628, 707, 808, 1099, 1111, 1232, 1256, 1414, 1616, 1727, 2198, 2222, 2512, 2828, 3454, 4396, 4444, 5656, 6908, 7777, 8792, 8888, 11312, 12089, 13816, 15554, 15857, 17584, 17776, 24178, 27632, 31108, 31714, 48356, 62216, 63428, 96712, 110999, 124432, 126856, 174427, 193424, 221998, 253712, 348854, 443996, 697708, 887992, 1220989, 1395416, 1775984, 2441978, 2790832, 4883956, 9767912, 19535824]

約数ペア:

[(1, 19535824), (2, 9767912), (4, 4883956), (7, 2790832), (8, 2441978), (11, 1775984), (14, 1395416), (16, 1220989), (22, 887992), (28, 697708), (44, 443996), (56, 348854), (77, 253712), (88, 221998), (101, 193424), (112, 174427), (154, 126856), (157, 124432), (176, 110999), (202, 96712), (308, 63428), (314, 62216), (404, 48356), (616, 31714), (628, 31108), (707, 27632), (808, 24178), (1099, 17776), (1111, 17584), (1232, 15857), (1256, 15554), (1414, 13816), (1616, 12089), (1727, 11312), (2198, 8888), (2222, 8792), (2512, 7777), (2828, 6908), (3454, 5656), (4396, 4444)]