18823936

素因数分解:

$2^8\times {\mathrm{23}}^2\times {\mathrm{139}}^1$

素因数の和:201

約数の個数: 54

約数和(自身を含む): 39561620

約数和(自身を除く): 20737684

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 139, 184, 256, 278, 368, 529, 556, 736, 1058, 1112, 1472, 2116, 2224, 2944, 3197, 4232, 4448, 5888, 6394, 8464, 8896, 12788, 16928, 17792, 25576, 33856, 35584, 51152, 67712, 73531, 102304, 135424, 147062, 204608, 294124, 409216, 588248, 818432, 1176496, 2352992, 4705984, 9411968, 18823936]

約数ペア:

[(1, 18823936), (2, 9411968), (4, 4705984), (8, 2352992), (16, 1176496), (23, 818432), (32, 588248), (46, 409216), (64, 294124), (92, 204608), (128, 147062), (139, 135424), (184, 102304), (256, 73531), (278, 67712), (368, 51152), (529, 35584), (556, 33856), (736, 25576), (1058, 17792), (1112, 16928), (1472, 12788), (2116, 8896), (2224, 8464), (2944, 6394), (3197, 5888), (4232, 4448)]