19171648

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:359

約数の個数: 56

約数和(自身を含む): 41038272

約数和(自身を除く): 21866624

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 67, 68, 134, 136, 263, 268, 272, 526, 536, 544, 1052, 1072, 1088, 1139, 2104, 2144, 2278, 4208, 4288, 4471, 4556, 8416, 8942, 9112, 16832, 17621, 17884, 18224, 35242, 35768, 36448, 70484, 71536, 72896, 140968, 143072, 281936, 286144, 299557, 563872, 599114, 1127744, 1198228, 2396456, 4792912, 9585824, 19171648]

約数ペア:

[(1, 19171648), (2, 9585824), (4, 4792912), (8, 2396456), (16, 1198228), (17, 1127744), (32, 599114), (34, 563872), (64, 299557), (67, 286144), (68, 281936), (134, 143072), (136, 140968), (263, 72896), (268, 71536), (272, 70484), (526, 36448), (536, 35768), (544, 35242), (1052, 18224), (1072, 17884), (1088, 17621), (1139, 16832), (2104, 9112), (2144, 8942), (2278, 8416), (4208, 4556), (4288, 4471)]