19814848

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{4621}}^1$

素因数の和:4700

約数の個数: 28

約数和(自身を含む): 39915592

約数和(自身を除く): 20100744

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 134, 268, 536, 1072, 2144, 4288, 4621, 9242, 18484, 36968, 73936, 147872, 295744, 309607, 619214, 1238428, 2476856, 4953712, 9907424, 19814848]

約数ペア:

[(1, 19814848), (2, 9907424), (4, 4953712), (8, 2476856), (16, 1238428), (32, 619214), (64, 309607), (67, 295744), (134, 147872), (268, 73936), (536, 36968), (1072, 18484), (2144, 9242), (4288, 4621)]