19948968

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21313}}^1$

素因数の和:21338

約数の個数: 48

約数和(自身を含む): 58187220

約数和(自身を除く): 38238252

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 21313, 42626, 63939, 85252, 127878, 170504, 191817, 255756, 277069, 383634, 511512, 554138, 767268, 831207, 1108276, 1534536, 1662414, 2216552, 2493621, 3324828, 4987242, 6649656, 9974484, 19948968]

約数ペア:

[(1, 19948968), (2, 9974484), (3, 6649656), (4, 4987242), (6, 3324828), (8, 2493621), (9, 2216552), (12, 1662414), (13, 1534536), (18, 1108276), (24, 831207), (26, 767268), (36, 554138), (39, 511512), (52, 383634), (72, 277069), (78, 255756), (104, 191817), (117, 170504), (156, 127878), (234, 85252), (312, 63939), (468, 42626), (936, 21313)]