19606016

素因数分解:

$2^9\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:424

約数の個数: 40

約数和(自身を含む): 39590100

約数和(自身を除く): 19984084

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 149, 256, 257, 298, 512, 514, 596, 1028, 1192, 2056, 2384, 4112, 4768, 8224, 9536, 16448, 19072, 32896, 38144, 38293, 65792, 76288, 76586, 131584, 153172, 306344, 612688, 1225376, 2450752, 4901504, 9803008, 19606016]

約数ペア:

[(1, 19606016), (2, 9803008), (4, 4901504), (8, 2450752), (16, 1225376), (32, 612688), (64, 306344), (128, 153172), (149, 131584), (256, 76586), (257, 76288), (298, 65792), (512, 38293), (514, 38144), (596, 32896), (1028, 19072), (1192, 16448), (2056, 9536), (2384, 8224), (4112, 4768)]