181818448

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1987}}^1$

素因数の和:2064

約数の個数: 80

約数和(自身を含む): 433861120

約数和(自身を除く): 252042672

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 43, 56, 76, 86, 112, 133, 152, 172, 266, 301, 304, 344, 532, 602, 688, 817, 1064, 1204, 1634, 1987, 2128, 2408, 3268, 3974, 4816, 5719, 6536, 7948, 11438, 13072, 13909, 15896, 22876, 27818, 31792, 37753, 45752, 55636, 75506, 85441, 91504, 111272, 151012, 170882, 222544, 264271, 302024, 341764, 528542, 598087, 604048, 683528, 1057084, 1196174, 1367056, 1623379, 2114168, 2392348, 3246758, 4228336, 4784696, 6493516, 9569392, 11363653, 12987032, 22727306, 25974064, 45454612, 90909224, 181818448]

約数ペア:

[(1, 181818448), (2, 90909224), (4, 45454612), (7, 25974064), (8, 22727306), (14, 12987032), (16, 11363653), (19, 9569392), (28, 6493516), (38, 4784696), (43, 4228336), (56, 3246758), (76, 2392348), (86, 2114168), (112, 1623379), (133, 1367056), (152, 1196174), (172, 1057084), (266, 683528), (301, 604048), (304, 598087), (344, 528542), (532, 341764), (602, 302024), (688, 264271), (817, 222544), (1064, 170882), (1204, 151012), (1634, 111272), (1987, 91504), (2128, 85441), (2408, 75506), (3268, 55636), (3974, 45752), (4816, 37753), (5719, 31792), (6536, 27818), (7948, 22876), (11438, 15896), (13072, 13909)]