19711824

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1009}}^1$

素因数の和:1068

約数の個数: 80

約数和(自身を含む): 57109440

約数和(自身を除く): 37397616

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 37, 44, 48, 66, 74, 88, 111, 132, 148, 176, 222, 264, 296, 407, 444, 528, 592, 814, 888, 1009, 1221, 1628, 1776, 2018, 2442, 3027, 3256, 4036, 4884, 6054, 6512, 8072, 9768, 11099, 12108, 16144, 19536, 22198, 24216, 33297, 37333, 44396, 48432, 66594, 74666, 88792, 111999, 133188, 149332, 177584, 223998, 266376, 298664, 410663, 447996, 532752, 597328, 821326, 895992, 1231989, 1642652, 1791984, 2463978, 3285304, 4927956, 6570608, 9855912, 19711824]

約数ペア:

[(1, 19711824), (2, 9855912), (3, 6570608), (4, 4927956), (6, 3285304), (8, 2463978), (11, 1791984), (12, 1642652), (16, 1231989), (22, 895992), (24, 821326), (33, 597328), (37, 532752), (44, 447996), (48, 410663), (66, 298664), (74, 266376), (88, 223998), (111, 177584), (132, 149332), (148, 133188), (176, 111999), (222, 88792), (264, 74666), (296, 66594), (407, 48432), (444, 44396), (528, 37333), (592, 33297), (814, 24216), (888, 22198), (1009, 19536), (1221, 16144), (1628, 12108), (1776, 11099), (2018, 9768), (2442, 8072), (3027, 6512), (3256, 6054), (4036, 4884)]