19618048

素因数分解:

$2^8\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:602

約数の個数: 36

約数和(自身を含む): 39459420

約数和(自身を除く): 19841372

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 197, 256, 389, 394, 778, 788, 1556, 1576, 3112, 3152, 6224, 6304, 12448, 12608, 24896, 25216, 49792, 50432, 76633, 99584, 153266, 306532, 613064, 1226128, 2452256, 4904512, 9809024, 19618048]

約数ペア:

[(1, 19618048), (2, 9809024), (4, 4904512), (8, 2452256), (16, 1226128), (32, 613064), (64, 306532), (128, 153266), (197, 99584), (256, 76633), (389, 50432), (394, 49792), (778, 25216), (788, 24896), (1556, 12608), (1576, 12448), (3112, 6304), (3152, 6224)]