19490416

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:170

約数の個数: 80

約数和(自身を含む): 43934688

約数和(自身を除く): 24444272

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 41, 44, 73, 74, 82, 88, 146, 148, 164, 176, 292, 296, 328, 407, 451, 584, 592, 656, 803, 814, 902, 1168, 1517, 1606, 1628, 1804, 2701, 2993, 3034, 3212, 3256, 3608, 5402, 5986, 6068, 6424, 6512, 7216, 10804, 11972, 12136, 12848, 16687, 21608, 23944, 24272, 29711, 32923, 33374, 43216, 47888, 59422, 65846, 66748, 110741, 118844, 131692, 133496, 221482, 237688, 263384, 266992, 442964, 475376, 526768, 885928, 1218151, 1771856, 2436302, 4872604, 9745208, 19490416]

約数ペア:

[(1, 19490416), (2, 9745208), (4, 4872604), (8, 2436302), (11, 1771856), (16, 1218151), (22, 885928), (37, 526768), (41, 475376), (44, 442964), (73, 266992), (74, 263384), (82, 237688), (88, 221482), (146, 133496), (148, 131692), (164, 118844), (176, 110741), (292, 66748), (296, 65846), (328, 59422), (407, 47888), (451, 43216), (584, 33374), (592, 32923), (656, 29711), (803, 24272), (814, 23944), (902, 21608), (1168, 16687), (1517, 12848), (1606, 12136), (1628, 11972), (1804, 10804), (2701, 7216), (2993, 6512), (3034, 6424), (3212, 6068), (3256, 5986), (3608, 5402)]